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Comparison of o4-mini-high, OpenAI: GPT-6.1 Sol, Anthropic: Claude Opus 5.5
3 modelsUnknowno4-mini-highRemove ×openaiOpenAI: GPT-6.1 SolRemove ×anthropicAnthropic: Claude Opus 5.5Remove ×
What’s different200K context · 100K max output · Tool calling · Structured outputRequires Responses API for tools; offers Ultrafast inference with US or EU data residency.Always-on adaptive thinking defaults to medium effort; built for sustained work across large codebases and professional documents.
DateOct 16, 2026DiscoveredSep 29, 2026ReleasedSep 22, 2026Released
Listed rate$1.10 in / $4.40 out/ 1M tokensExperiential · all routes ↗Standard list rate$1.00 in / $5.00 out/ 1M tokensOpenAI · via OpenRouter · all routes ↗openai/flex · tier=flex · prompt ≤ 272000 tokens$4.00 in / $20.00 out/ 1M tokensAmazon Bedrock · via OpenRouter · all routes ↗amazon-bedrock
Provider endpoints1 endpoint →10 endpoints →14 endpoints →
AA Intelligence ↗4.3.2Not reported51.83 ↗Effort: max · MaxIndependent result57.62 ↗Effort: max · Max, Default FallbackIndependent result
AA-Briefcase ↗1.1Not reported1,556.34 ↗Effort: max · MaxIndependent result1,802.36 ↗Effort: max · Max, Default FallbackIndependent result
GDPval-AA ↗2.1Not reported1,592.1 ↗Effort: max · MaxIndependent result1,866.27 ↗Effort: max · Max, Default FallbackIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collectionNot reported64.87% ↗Effort: max · MaxIndependent result69.54% ↗Effort: max · Max, Default FallbackIndependent result
Terminal-Bench 4.0 · AA ↗Not reported56.06% ↗Effort: max · MaxHarness unreportedIndependent result59.6% ↗Effort: max · Max, Default FallbackHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collectionNot reported54.17% ↗AA · Under reviewEffort: max · MaxIndependent result66.9% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collectionNot reported52.92% ↗Effort: max · MaxIndependent result61.35% ↗Effort: max · Max, Default FallbackIndependent result
GDP.pdf ↗AA Index 4.3.2 collectionNot reported31% ↗Effort: max · MaxIndependent result26.2% ↗Effort: max · Max, Default FallbackIndependent result
CritPt ↗AA Index 4.3.2 collectionNot reported31.71% ↗AA · Under reviewEffort: max · MaxIndependent result31.71% ↗AA · Under reviewEffort: max · Max, Default FallbackIndependent result
AA-Omniscience ↗AA Index 4.3.2 collectionNot reported41.53 ↗Effort: max · MaxIndependent result46.42 ↗Effort: max · Max, Default FallbackIndependent result
AA-LCR ↗1.1Not reported83% ↗Effort: max · MaxIndependent result84.67% ↗Effort: max · Max, Default FallbackIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported85.41% ↗Effort: max · single run · equal mean of 7 suitesIndependent result86.53% ↗Effort: max · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported82.1% ↗Effort: max · single runIndependent result86.9% ↗Effort: max · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported83.5% ↗Effort: max · single runIndependent result85% ↗Effort: max · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported88% ↗Effort: max · single runIndependent result80% ↗Effort: max · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported96% ↗Effort: max · single runIndependent result96.3% ↗Effort: max · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported73% ↗Effort: max · single runIndependent result85% ↗Effort: max · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported82.7% ↗Effort: max · single runIndependent result80.3% ↗Effort: max · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported92.6% ↗Effort: max · single runIndependent result92.2% ↗Effort: max · single runIndependent result
Context window200K1.1M1M
Max output100K128K128K
Parameters———
Tool callingSupportedSupportedSupported
Structured outputSupportedSupportedSupported
Image inputNot reportedSupportedSupported
ReasoningSupportedSupportedSupported
Prompt cachingNot reportedSupportedSupported

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