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!
Kimi K3.1 Pro released, claimed to beat Claude Opus 5.5 on Terminal-Bench 4.0
AIYuchen Jin says Kimi K3.1 Pro is out and should now be the strongest open-source model. He claims it beats Claude Opus 5.5 on Terminal-Bench 4.0 at about one-third the cost.