On October 21, 2026, Anthropic released a new SDK and ant CLI, defaulting to API version 2026-10-21. According to Claude Devs, this is the first official version release since 2023, and the 2023-06-01 version has not been deprecated. This version removes temperature, top_p, and top_k from the Messages API; documents in assistant turns and citations in user turns will return 400; and it replaces some deprecated Admin and Enterprise Analytics API fields. Developers can use the /claude-api skill in Claude Code to complete the update, or modify items one by one according to the migration guide. There are currently no subsequent developments.
On October 21, 2026, Anthropic launched a new version of Claude Security that continuously scans repositories as code changes, automatically marks issues as fixed once fixes go live, and connects to existing tools via API and MCP; it is currently in public beta for Claude Enterprise customers. The new version provides a knowledge base and an editable threat model for each project, on which scans base their judgment of which risks are worth flagging, and gives each finding a severity rating and an attack path description. Anthropic says Claude Security has been used by thousands of organizations since its public beta in April and has cumulatively found more than 1 million vulnerabilities; enterprise customers receive $25,000 in free credits per month for two months, applicable to usage through December 31, 2026. Follow-up reporting further explains that after code changes land it automatically rescans, automatically closes the corresponding issue once a patch goes live, reopens it if the vulnerability reappears, and combines security team notes and the editable threat model to determine which vulnerabilities attackers can actually reach; previously it was only an on-demand or scheduled scanner whose results went stale as soon as code changed.
The Wall Street Journal has seen Anthropic's draft IPO filing. A report dated October 21, 2026, said the draft showed Anthropic had first-half revenue of $16.3 billion and a book loss of $80.7 billion, with compute commitments of about $450 billion; the draft also disclosed fixed payments totaling $25.2 billion to Google, AWS and Microsoft over the next 7 to 10 years, payable whether or not the capacity is used. A report dated October 22 said the same draft showed first-half revenue of $16.3 billion, up nearly 14-fold year over year, and a net loss of $80.7 billion, of which about $72 billion came from the revaluation of financing instruments such as convertible notes; compute and infrastructure spending in the same period was nearly $9 billion, about 55% of revenue, and forward compute commitments exceeded $600 billion, potentially reaching as high as $750 billion if additional agreements are finalized. There is currently no further progress confirmed by factual evidence.
The Wall Street Journal has seen Anthropic's draft IPO filing. A report dated October 21, 2026, said the draft showed Anthropic had first-half revenue of $16.3 billion and a book loss of $80.7 billion, with compute commitments of about $450 billion; the draft also disclosed fixed payments totaling $25.2 billion to Google, AWS and Microsoft over the next 7 to 10 years, payable whether or not the capacity is used. A report dated October 22 said the same draft showed first-half revenue of $16.3 bil
Dario Amodei admitted that Anthropic could have handled three recent initiatives better, including the federal AI bill it drafted. He called these three initiatives communication missteps, describing their wording as careless or their content as outdated, and said he takes responsibility as CEO. The same report also noted that he simultaneously stood by Anthropic's acceleration path, including its in-house chip plans, compute deals exceeding $500 billion, and the fact that Claude has taken on 26% of its AI development tasks. Currently, this event rests on only this one piece of factual evidence, with no subsequent developments yet.
The Wall Street Journal has seen Anthropic's draft IPO filing. A report dated October 21, 2026, said the draft showed Anthropic had first-half revenue of $16.3 billion and a book loss of $80.7 billion, with compute commitments of about $450 billion; the draft also disclosed fixed payments totaling $25.2 billion to Google, AWS and Microsoft over the next 7 to 10 years, payable whether or not the capacity is used. A report dated October 22 said the same draft showed first-half revenue of $16.3 billion, up nearly 14-fold year over year, and a net loss of $80.7 billion, of which about $72 billion came from the revaluation of financing instruments such as convertible notes; compute and infrastructure spending in the same period was nearly $9 billion, about 55% of revenue, and forward compute commitments exceeded $600 billion, potentially reaching as high as $750 billion if additional agreements are finalized. There is currently no further progress confirmed by factual evidence.
Anthropic pitched a draft AI safety bill to Congress. The draft stipulates that when a model poses a foreseeable and imminent risk that could cause the deaths of 50 or more people or more than $1 billion in property damage, its release may be blocked; the risk must stem from the manufacture of bioweapons, the model evading developer control, or cyberattacks. The draft requires an independent evaluator registered with the U.S. Department of Commerce to determine the risk; the evaluator must report within 72 hours, after which the Commerce Department would apply to a Washington, D.C. judge for an order to halt release, and federal agencies may not decide on their own to block release. The draft is currently still at the stage of being pitched to Congress, and there are no public facts indicating subsequent legislative progress.
In October 2026, Anthropic CEO Dario published a long post on X responding to outside doubts about Anthropic's stance on safety. According to Phoenix Technology, he was responding to questions raised by AI safety investigator Nathan Calvin, and for the first time disclosed that the company had already trained a high-end model at the Mythos level as early as February this year; because its cybersecurity defense mechanisms were not yet complete, it was released only to a very small number of partners, and was not opened to the public until the safety guardrails were in place in June, a gap of about four months. He also listed the costs the company had voluntarily borne for safety, including a large number of false positives caused by biological risk filtering, pushing for legislation such as California SB 53, and a plan to contribute 5% of the company's shares to a public interest fund. Dario said this approach amounts to competing toward a higher standard, while Calvin questioned how much more safety can make the company concede in the race. Other reports said the long post was responding to a list of nine questions raised by outside safety researchers, who questioned that Anthropic had departed from its original safety mission and become a commercial machine sprinting toward a $2 trillion IPO.
In October 2026, Anthropic CEO Dario published a long post on X responding to outside doubts about Anthropic's stance on safety. According to Phoenix Technology, he was responding to questions raised by AI safety investigator Nathan Calvin, and for the first time disclosed that the company had already trained a high-end model at the Mythos level as early as February this year; because its cybersecurity defense mechanisms were not yet complete, it was released only to a very small number of partn
In October 2026, Anthropic CEO Dario published a long post on X responding to outside doubts about Anthropic's stance on safety. According to Phoenix Technology, he was responding to questions raised by AI safety investigator Nathan Calvin, and for the first time disclosed that the company had already trained a high-end model at the Mythos level as early as February this year; because its cybersecurity defense mechanisms were not yet complete, it was released only to a very small number of partners, and was not opened to the public until the safety guardrails were in place in June, a gap of about four months. He also listed the costs the company had voluntarily borne for safety, including a large number of false positives caused by biological risk filtering, pushing for legislation such as California SB 53, and a plan to contribute 5% of the company's shares to a public interest fund. Dario said this approach amounts to competing toward a higher standard, while Calvin questioned how much more safety can make the company concede in the race. Other reports said the long post was responding to a list of nine questions raised by outside safety researchers, who questioned that Anthropic had departed from its original safety mission and become a commercial machine sprinting toward a $2 trillion IPO.
On October 21, 2026, Anthropic launched a new version of Claude Security that continuously scans repositories as code changes, automatically marks issues as fixed once fixes go live, and connects to existing tools via API and MCP; it is currently in public beta for Claude Enterprise customers. The new version provides a knowledge base and an editable threat model for each project, on which scans base their judgment of which risks are worth flagging, and gives each finding a severity rating and an attack path description. Anthropic says Claude Security has been used by thousands of organizations since its public beta in April and has cumulatively found more than 1 million vulnerabilities; enterprise customers receive $25,000 in free credits per month for two months, applicable to usage through December 31, 2026. Follow-up reporting further explains that after code changes land it automatically rescans, automatically closes the corresponding issue once a patch goes live, reopens it if the vulnerability reappears, and combines security team notes and the editable threat model to determine which vulnerabilities attackers can actually reach; previously it was only an on-demand or scheduled scanner whose results went stale as soon as code changed.
On October 21, 2026, Anthropic launched a new version of Claude Security that continuously scans repositories as code changes, automatically marks issues as fixed once fixes go live, and connects to existing tools via API and MCP; it is currently in public beta for Claude Enterprise customers. The new version provides a knowledge base and an editable threat model for each project, on which scans base their judgment of which risks are worth flagging, and gives each finding a severity rating and a
According to Bloomberg, former Google CEO Eric Schmidt holds about a 1% stake in Anthropic. TechCrunch AI reported on October 21, 2026 that Schmidt participated in Anthropic's Series A funding round in 2021, investing tens of millions of dollars; this stake is about half of the 2% held by co-founder and CEO Dario Amodei. The report also said Anthropic is widely expected to go public before the end of the year, with a maximum valuation expected to reach $2 trillion, at which point the value of Schmidt's stake could increase by as much as $20 billion; neither Schmidt nor Anthropic immediately responded to requests for comment. The next day, Fortune AI reported, citing people familiar with the matter cited by Bloomberg, that if Anthropic goes public at a target valuation of $2 trillion, this stake could be worth $20 billion; the report said Schmidt was introduced to Dario Amodei by Cami Clark and participated in Anthropic's $124 million Series A funding round in 2021, when the company was valued at $461 million. There have been no further developments so far.
According to Bloomberg, former Google CEO Eric Schmidt holds about a 1% stake in Anthropic. TechCrunch AI reported on October 21, 2026 that Schmidt participated in Anthropic's Series A funding round in 2021, investing tens of millions of dollars; this stake is about half of the 2% held by co-founder and CEO Dario Amodei. The report also said Anthropic is widely expected to go public before the end of the year, with a maximum valuation expected to reach $2 trillion, at which point the value of Sc
According to Bloomberg, former Google CEO Eric Schmidt holds about a 1% stake in Anthropic. TechCrunch AI reported on October 21, 2026 that Schmidt participated in Anthropic's Series A funding round in 2021, investing tens of millions of dollars; this stake is about half of the 2% held by co-founder and CEO Dario Amodei. The report also said Anthropic is widely expected to go public before the end of the year, with a maximum valuation expected to reach $2 trillion, at which point the value of Schmidt's stake could increase by as much as $20 billion; neither Schmidt nor Anthropic immediately responded to requests for comment. The next day, Fortune AI reported, citing people familiar with the matter cited by Bloomberg, that if Anthropic goes public at a target valuation of $2 trillion, this stake could be worth $20 billion; the report said Schmidt was introduced to Dario Amodei by Cami Clark and participated in Anthropic's $124 million Series A funding round in 2021, when the company was valued at $461 million. There have been no further developments so far.
Dario Amodei admitted that Anthropic could have handled three recent initiatives better, including the federal AI bill it drafted. He called these three initiatives communication missteps, describing their wording as careless or their content as outdated, and said he takes responsibility as CEO. The same report also noted that he simultaneously stood by Anthropic's acceleration path, including its in-house chip plans, compute deals exceeding $500 billion, and the fact that Claude has taken on 26% of its AI development tasks. Currently, this event rests on only this one piece of factual evidence, with no subsequent developments yet.
Dario Amodei admitted that Anthropic could have handled three recent initiatives better, including the federal AI bill it drafted. He called these three initiatives communication missteps, describing their wording as careless or their content as outdated, and said he takes responsibility as CEO. The same report also noted that he simultaneously stood by Anthropic's acceleration path, including its in-house chip plans, compute deals exceeding $500 billion, and the fact that Claude has taken on 26
Anthropic pitched a draft AI safety bill to Congress. The draft stipulates that when a model poses a foreseeable and imminent risk that could cause the deaths of 50 or more people or more than $1 billion in property damage, its release may be blocked; the risk must stem from the manufacture of bioweapons, the model evading developer control, or cyberattacks. The draft requires an independent evaluator registered with the U.S. Department of Commerce to determine the risk; the evaluator must report within 72 hours, after which the Commerce Department would apply to a Washington, D.C. judge for an order to halt release, and federal agencies may not decide on their own to block release. The draft is currently still at the stage of being pitched to Congress, and there are no public facts indicating subsequent legislative progress.
Anthropic pitched a draft AI safety bill to Congress. The draft stipulates that when a model poses a foreseeable and imminent risk that could cause the deaths of 50 or more people or more than $1 billion in property damage, its release may be blocked; the risk must stem from the manufacture of bioweapons, the model evading developer control, or cyberattacks. The draft requires an independent evaluator registered with the U.S. Department of Commerce to determine the risk; the evaluator must repor
On October 17, 2026, Anthropic co-founder Jack Clark delivered the Per Jacobsson lecture at the IMF meetings in Bangkok, citing Anthropic's internal modeling to claim that if models can autonomously complete a wide range of tasks and spread rapidly, US GDP could reach $44 trillion by 2030, an increase of nearly 50% over current levels. He also said that this year he had obtained convincing evidence that the singularity has already begun, with AI autonomously producing results in frontier scientific fields, and cited progress including the top score on Humanity's Last Exam rising from 8% in January 2025 to 67.7% with Claude Opus 5.5, and FrontierMath rising from 2% to 94%. Subsequent reporting noted that the $44 trillion figure comes from the most aggressive "extreme scenario" in Anthropic's September research paper "The Economic Scenarios of Transformative AI," which requires the share of labor tasks involving AI to rise from 1.4% in mid-2026 to 30%.
On October 20, 2026, Anthropic disclosed 211 binding proteins designed by Claude against scorpion venom neurotoxins, along with their data. According to Anthropic Research, an internal research model autonomously designed minibinders in Claude Science, generating 318,484 designs within 64 hours and selecting 180, plus 31 added by the team, for a total of 211 submitted to Adaptyv Bio and Twist Bioscience for experimental testing, of which 17 met the binder criteria. All 17 targeted a single toxin; none of the multi-toxin designs met the criteria. The strongest candidates, Cn2-B1 and Cn2-B2, bound Cn2 with single-digit nanomolar affinity, and competition experiments showed they bind near the same epitope as the known neutralizing antibody LR. The study has not yet verified neutralizing efficacy in cells or live animals, and Anthropic does not call them antivenom.
On October 20, 2026, Anthropic disclosed 211 binding proteins designed by Claude against scorpion venom neurotoxins, along with their data. According to Anthropic Research, an internal research model autonomously designed minibinders in Claude Science, generating 318,484 designs within 64 hours and selecting 180, plus 31 added by the team, for a total of 211 submitted to Adaptyv Bio and Twist Bioscience for experimental testing, of which 17 met the binder criteria. All 17 targeted a single toxin
On October 20, 2026, Anthropic disclosed 211 binding proteins designed by Claude against scorpion venom neurotoxins, along with their data. According to Anthropic Research, an internal research model autonomously designed minibinders in Claude Science, generating 318,484 designs within 64 hours and selecting 180, plus 31 added by the team, for a total of 211 submitted to Adaptyv Bio and Twist Bioscience for experimental testing, of which 17 met the binder criteria. All 17 targeted a single toxin; none of the multi-toxin designs met the criteria. The strongest candidates, Cn2-B1 and Cn2-B2, bound Cn2 with single-digit nanomolar affinity, and competition experiments showed they bind near the same epitope as the known neutralizing antibody LR. The study has not yet verified neutralizing efficacy in cells or live animals, and Anthropic does not call them antivenom.
On October 17, 2026, Anthropic co-founder Jack Clark delivered the Per Jacobsson lecture at the IMF meetings in Bangkok, citing Anthropic's internal modeling to claim that if models can autonomously complete a wide range of tasks and spread rapidly, US GDP could reach $44 trillion by 2030, an increase of nearly 50% over current levels. He also said that this year he had obtained convincing evidence that the singularity has already begun, with AI autonomously producing results in frontier scientific fields, and cited progress including the top score on Humanity's Last Exam rising from 8% in January 2025 to 67.7% with Claude Opus 5.5, and FrontierMath rising from 2% to 94%. Subsequent reporting noted that the $44 trillion figure comes from the most aggressive "extreme scenario" in Anthropic's September research paper "The Economic Scenarios of Transformative AI," which requires the share of labor tasks involving AI to rise from 1.4% in mid-2026 to 30%.
On October 17, 2026, Anthropic co-founder Jack Clark delivered the Per Jacobsson lecture at the IMF meetings in Bangkok, citing Anthropic's internal modeling to claim that if models can autonomously complete a wide range of tasks and spread rapidly, US GDP could reach $44 trillion by 2030, an increase of nearly 50% over current levels. He also said that this year he had obtained convincing evidence that the singularity has already begun, with AI autonomously producing results in frontier scienti
Anthropic announced that it will contribute part of its equity to a newly established Anthropic Public Benefit Fund, initially contributing 5% of its equity pending shareholder approval; each time the company's valuation rises 50% above the baseline, the board may, at its discretion, add another 2%. The fund is established as a wholly owned LLC, making it easier to flexibly adjust between traditional nonprofit donations and direct distributions to specific populations, and the Anthropic equity it holds will not be used for lobbying or political contributions. Combined with the co-founders' pledge to donate 80% of their equity and an employee equity donation matching program, Anthropic says about 20% of the company's shares will be used for the public good. On October 19, reports estimated that at a $965B valuation, this 5% stake is worth about $48B. On the same day, SpaceX CEO Musk said he would give one share of SpaceX stock to every child in the United States, but did not explain how the shares would be distributed.
Anthropic announced that it will contribute part of its equity to a newly established Anthropic Public Benefit Fund, initially contributing 5% of its equity pending shareholder approval; each time the company's valuation rises 50% above the baseline, the board may, at its discretion, add another 2%. The fund is established as a wholly owned LLC, making it easier to flexibly adjust between traditional nonprofit donations and direct distributions to specific populations, and the Anthropic equity i