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Comparison of GPT-5.6 Sol, Google: Gemini 4 Argon
2 modelsOpenAIGPT-5.6 SolRemove ×googleGoogle: Gemini 4 ArgonRemove ×
What’s differentReasoningLong decode can use the unified 1M-token budget for output; reads video, audio and PDFs, with implicit-only caching.
DateOct 16, 2026DiscoveredSep 30, 2026Released
Listed rateSee provider quotes$1.00 in / $5.00 out/ 1M tokensGoogle AI Studio · via OpenRouter · all routes ↗google-ai-studio/flex · tier=flex
Provider endpoints0 endpoints →8 endpoints →
AA Intelligence ↗4.3.2Not reported52.56 ↗Effort: high · HighIndependent result
AA-Briefcase ↗1.1Not reported1,486.44 ↗Effort: high · HighIndependent result
GDPval-AA ↗2.1Not reported1,623.99 ↗Effort: high · HighIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collectionNot reported77.51% ↗Effort: high · HighIndependent result
Terminal-Bench 4.0 · AA ↗Not reported57.07% ↗Effort: high · HighHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collectionNot reported61.81% ↗AA · Under reviewEffort: high · HighIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collectionNot reported57.09% ↗Effort: high · HighIndependent result
GDP.pdf ↗AA Index 4.3.2 collectionNot reported21.8% ↗Effort: high · HighIndependent result
CritPt ↗AA Index 4.3.2 collectionNot reported27.14% ↗AA · Under reviewEffort: high · HighIndependent result
AA-Omniscience ↗AA Index 4.3.2 collectionNot reported42.35 ↗Effort: high · HighIndependent result
AA-LCR ↗1.1Not reported79.67% ↗Effort: high · HighIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)76.26% ↗Effort: max · single run · equal mean of 7 suitesIndependent result84.1% ↗Effort: high · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)81.6% ↗Effort: max · single runIndependent result73.7% ↗Effort: high · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)54.5% ↗Effort: max · single runIndependent result83.1% ↗Effort: high · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)88% ↗Effort: max · single runIndependent result92% ↗Effort: high · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)89.7% ↗Effort: max · single runIndependent result89.7% ↗Effort: high · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)48.5% ↗Effort: max · single runIndependent result69.9% ↗Effort: high · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)79.8% ↗Effort: max · single runIndependent result85.2% ↗Effort: high · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)91.7% ↗Effort: max · single runIndependent result95.1% ↗Effort: high · single runIndependent result
Context window—1M
Max output—65.5K
Parameters——
Tool callingNot reportedSupported
Structured outputNot reportedSupported
Image inputNot reportedSupported
Audio inputNot reportedSupported
Video inputNot reportedSupported
ReasoningSupportedSupported
Prompt cachingNot reportedSupported

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