Kimi K3.1 Pro released, claims to surpass Claude Opus 5.5 on Terminal-Bench 4.0
AI summary
Kimi K3.1 Pro has been released, and Yuchen Jin says it may be the strongest open-source model currently available. He states that the model surpasses Claude Opus 5.5 on Terminal-Bench 4.0, at about one-third of the latter's cost.
Why read this
AI score 56
This tweet provides clues on the cost and scores of Kimi K3.1 Pro compared with Claude Opus 5.5 on Terminal-Bench 4.0, which can serve as a reference for the competitive landscape of open-source models.
Topics
Body
Kimi K3.1 Pro is out!
should be the strongest OSS model now.
It beats Claude Opus 5.5 on Terminal-Bench 4.0 at ~1/3 the cost! https://t.co/5bQy7hapIb