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GPT-6.1 Sol vs Gemini 4 Argon

GPT-6.1 Sol: OpenAI's mid-priced GPT-6.1 model. Gemini 4 Argon: Google's flagship reasoning model for complex software engineering, math and science, and autonomous agents.

SpecGPT-6.1 SolGemini 4 Argon
ProviderOpenAIGoogle
API model IDgpt-6.1-solgemini-4-argon
API price (standard)$2.00 in / $10.00 out per 1M tokens$2.00 in / $10.00 out per 1M tokens
Pricing noteShort-context pricing up to 272K input tokens; higher long-context rates above that.Through Nov 30, 2026; $4.00 in / $20.00 out from Dec 1, 2026. Not on the free tier.
Context windowNot statedNot stated
Max outputNot statedNot stated
WeightsClosed (API only)Closed (API only)

Figures from each provider's official docs, checked 2026-10-15. Benchmarks and real-world quality vary by task, so test both on your own prompts.