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Seed 1.6 Flash vs GPT-5.6 Sol

Side-by-side API pricing and Artificial Analysis performance for Seed 1.6 Flash (Bytedance Seed) and GPT-5.6 Sol (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 3:53 AM UTC · refreshed hourly

Seed 1.6 Flash

Bytedance Seed

GPT-5.6 Sol

OpenAI

Pricing
Input $/1M$0.075$5.00
Output $/1M$0.30$30.00
Blended $/1M (3:1)$0.131$11.25
RAG example (30K in / 2K out)$0.00285$0.21
Quality & speed
Intelligence Index58.9
Coding Index77.4
Agentic Index54
Output speed (tok/s)70
Time to first token112.90s
Specs
Context window262K1.05M
Input modalitiesimage, text, videofile, image, text

FAQ

Which is cheaper, Seed 1.6 Flash or GPT-5.6 Sol?

Seed 1.6 Flash has the lower blended API price at $0.131 per 1M tokens (3:1 input:output mix), versus $11.25 for the other model. Prices are live from OpenRouter and refresh about hourly.

Which is better for RAG workloads?

For a typical RAG request (30K input / 2K output tokens), Seed 1.6 Flash costs about $0.00285 per request versus $0.21. Also compare context windows: Seed 1.6 Flash offers 262K and GPT-5.6 Sol offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

GPT-5.6 Sol leads on the Artificial Analysis Intelligence Index (58.9 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.