P P99lab OpenAI Anthropic Head to head on 22 boards: Anthropic places best on 13 , OpenAI places best on 9 and P99lab places best on 1 (a tie counts for each). All 3 ranked on 0 of 26 boards.
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P P99lab OpenAI Anthropic Board Read P P99lab OpenAI Anthropic 2 MultiChallenge Score 1d yesterday Oct 26 1d yesterday #1 82.0% best of the picked GPT-6.1 Sol #8 67.7% Claude Haiku 5.5 Text Arena Arena rating 1d yesterday Oct 26 1d yesterday #18 1,485 GPT-5.6 Sol #2 1,509 best of the picked Claude Opus 5.5 7 AA Intelligence Index 1d yesterday Oct 26 1d yesterday #6 52.7 GPT-6 Astra #1 57.6 best of the picked Claude Opus 5.5 HLE Accuracy 1d yesterday Oct 26 1d yesterday #1 54.8% best of the picked GPT-6 Astra #2 46.5% Claude Fable 5.1 Epoch ECI ECI 1d yesterday Oct 26 1d yesterday #2 168.8 GPT-6 Astra #1 168.8 best of the picked Claude Opus 5.5 ARC-AGI-2 Score 1d yesterday Oct 26 1d yesterday #1 95.0% best of the picked GPT-6 Astra #3 93.3% Claude Opus 5.5 LiveBench Global average 1d yesterday Oct 26 1d yesterday #4 82.2% GPT-6 Astra #1 83.4% best of the picked Claude Fable 5.1 GPQA Diamond Accuracy 1d yesterday Oct 26 1d yesterday #2 95.8% best of the picked GPT-6 Astra #3 95.6% Claude Sonnet 5.5 MMLU-Pro Accuracy · stale 1d yesterday Oct 26 1d yesterday #3 89.3% best of the picked o1 #4 89.1% Claude Opus 4.6 4 WebDev Arena Arena rating 1d yesterday Oct 26 1d yesterday #2 1,774 GPT-6 Astra #1 1,807 best of the picked Claude Opus 5.5 SWE-Bench Pro Resolved 1d yesterday Oct 26 1d yesterday #4 90.2% GPT-6 Astra #1 98.0% best of the picked Claude Opus 5 SWE-bench Verified Resolved · stale 1d yesterday Oct 26 1d yesterday #6 72.8% GPT-5.2 #1 76.8% best of the picked Claude Opus 4.5 Aider Polyglot Pass rate · stale 1d yesterday Oct 26 1d yesterday #1 88.0% best of the picked GPT-5 #10 72.0% Claude Opus 4 3 BFCL Overall accuracy · stale 1d yesterday Oct 26 1d yesterday #7 63.0% o3 #1 77.5% best of the picked Claude Opus 4.5 Search Arena Arena rating 1d yesterday Oct 26 1d yesterday #1 1,258 best of the picked GPT-5.6 Sol #4 1,233 Claude Fable 5.1 MCP Atlas Pass rate 1d yesterday Oct 26 1d yesterday #11 81.8% GPT-5.6 #2 87.2% best of the picked Claude Fable 5.1 2 Vision Arena Arena rating 1d yesterday Oct 26 1d yesterday #7 1,294 GPT-6.1 Sol #1 1,309 best of the picked Claude Fable 5 Document Arena Arena rating 1d yesterday Oct 26 1d yesterday #6 1,489 GPT-5.6 Sol #1 1,499 best of the picked Claude Fable 5 2 Text-to-Image Arena rating 1d yesterday Oct 26 1d yesterday #1 1,425 GPT Image 2.5 Sunburst Image Edit Arena rating 1d yesterday Oct 26 1d yesterday #1 1,514 GPT Image 2.5 Sunburst 1 Text-to-Video Arena rating 1d yesterday Oct 26 1d yesterday #11 1,368 Sora 2 Pro 2 Open ASR Average WER 1d yesterday Oct 26 1d yesterday #3 4.98 WER best of the picked audrey-0.7 (p99lab) #21 5.96 WER gpt-transcribe (openai) Speech Arena Arena rating 1d yesterday Oct 26 1d yesterday #39 1,105 TTS 1 Hd 1 AA Speed Output speed 1d yesterday Oct 26 1d yesterday #12 129 tok/s GPT-6 Luna #3 234 tok/s best of the picked Claude Haiku 5.5 1 AA Price Blended price 1d yesterday Oct 26 1d yesterday #3 $0.20 best of the picked GPT-6 Luna #3 $0.20 best of the picked Claude Haiku 5.5 1 OpenRouter Weekly tokens 1d yesterday Oct 26 1d yesterday #5 8.4T tok best of the picked GPT-6 Luna #6 8.3T tok Claude Opus 5.5
Green marks the best placing among the picked where two or more are ranked; ties are marked for each. Ranks are each board's own order (lower is better), scores as the board published them. Dash: not on that board.
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