Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Fable 5
96
GPT-5.1-Codex
18
Verified leaderboard positions: Claude Fable 5 #2 · GPT-5.1-Codex unranked
Benchmark data for Claude Fable 5 and GPT-5.1-Codex is coming soon on BenchLM.
Claude Fable 5
GPT-5.1-Codex
$10 / $50
N/A
N/A
N/A
N/A
N/A
1M+
400K
Benchmark data for Claude Fable 5 and GPT-5.1-Codex is coming soon on BenchLM.
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Claude Fable 5 has the larger context window at 1M+, compared with 400K for GPT-5.1-Codex.
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.
Claude Fable 5: $10.00 input / $50.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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