Gemini 3.8 Flash vs GPT-6 Astra

Google's Gemini 3.8 Flash and OpenAI's GPT-6 Astra compared on specs, pricing, and capabilities — as configured in AI Crucible ensembles.

SpecificationGemini 3.8 FlashGPT-6 Astra
ProviderGoogleOpenAI
API model IDgemini-3.8-flashgpt-6-astra
DescriptionGoogle's most intelligent Flash model, engineered for long-horizon software engineering with 1M context.OpenAI's most capable model, built for the hardest end-to-end work, with 1M context.
Context window1M tokens1.05M tokens
Max output tokens65,536128,000
Input cost ($/1M tokens)$0.90$12.00
Output cost ($/1M tokens)$4.50$60.00
Cache read cost ($/1M tokens)$0.09$1.20
Latencylowhigh
Reasoning modelYesYes
Vision (image input)YesYes
Tool useYesYes

See all model comparisons, full model specifications, benchmark results, or model comparison articles.