Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GPT-5.1-Codex-Max
--
Kimi K2.5
68
Verified leaderboard positions: GPT-5.1-Codex-Max unranked · Kimi K2.5 #9
Benchmark data for GPT-5.1-Codex-Max and Kimi K2.5 is coming soon on BenchLM.
GPT-5.1-Codex-Max
Kimi K2.5
$2 / $8
$0.5 / $2.8
N/A
45 t/s
N/A
2.38s
400K
256K
Benchmark data for GPT-5.1-Codex-Max and Kimi K2.5 is coming soon on BenchLM.
BenchLM does not have sourced benchmark coverage for GPT-5.1-Codex-Max yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
GPT-5.1-Codex-Max is priced at $2.00 input / $8.00 output per 1M tokens, versus $0.50 input / $2.80 output per 1M tokens for Kimi K2.5. GPT-5.1-Codex-Max has the larger context window at 400K, compared with 256K for Kimi K2.5.
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
GPT-5.1-Codex-Max: $2.00 input / $8.00 output per 1M tokens Kimi K2.5: $0.50 input / $2.80 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
Estimates at 50,000 req/day · 1000 tokens/req average.
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