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Comparison of OpenAI: Whisper 1, Anthropic: Claude Opus 5.5
2 modelsopenaiOpenAI: Whisper 1Remove ×anthropicAnthropic: Claude Opus 5.5Remove ×
What’s differentWhisper is OpenAI's open-source automatic speech recognition model, available via API as whisper-1. It supports transcription and translation across 50+ languages from audio files up to 25 MB. Accepts…Always-on adaptive thinking defaults to medium effort; built for sustained work across large codebases and professional documents.
DateApr 27, 2026ListedSep 22, 2026Released
Listed rate$100.00 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗$4.00 in / $20.00 out/ 1M tokensAmazon Bedrock · via OpenRouter · all routes ↗amazon-bedrock
Provider endpoints1 endpoint →14 endpoints →
AA Intelligence ↗4.3.2Not reported57.62 ↗Effort: max · Max, Default FallbackIndependent result
AA-Briefcase ↗1.1Not reported1,802.99 ↗Effort: max · Max, Default FallbackIndependent result
GDPval-AA ↗2.1Not reported1,866.27 ↗Effort: max · Max, Default FallbackIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collectionNot reported69.54% ↗Effort: max · Max, Default FallbackIndependent result
Terminal-Bench 4.0 · AA ↗Not reported59.6% ↗Effort: max · Max, Default FallbackHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collectionNot reported66.9% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collectionNot reported61.35% ↗Effort: max · Max, Default FallbackIndependent result
GDP.pdf ↗AA Index 4.3.2 collectionNot reported26.2% ↗Effort: max · Max, Default FallbackIndependent result
CritPt ↗AA Index 4.3.2 collectionNot reported31.71% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result
AA-Omniscience ↗AA Index 4.3.2 collectionNot reported46.42 ↗Effort: max · Max, Default FallbackIndependent result
AA-LCR ↗1.1Not reported84.67% ↗Effort: max · Max, Default FallbackIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported86.53% ↗Effort: max · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported86.9% ↗Effort: max · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported85% ↗Effort: max · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported80% ↗Effort: max · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported96.3% ↗Effort: max · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported85% ↗Effort: max · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported80.3% ↗Effort: max · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported92.2% ↗Effort: max · single runIndependent result
Context window—1M
Max output—128K
Parameters——
Tool callingNot reportedSupported
Structured outputNot reportedSupported
Image inputNot reportedSupported
Audio inputSupportedNot reported
ReasoningNot reportedSupported
Prompt cachingNot reportedSupported

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