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DeepSeek Flash Latest vs GPT-5.6 Sol

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

Prices updated Sep 19, 2026, 4:22 PM UTC · refreshed hourly

DeepSeek Flash Latest

~deepseek

GPT-5.6 Sol

OpenAI

Pricing
Input $/1M$0.13$2.00
Output $/1M$0.52$10.00
Blended $/1M (3:1)$0.228$4.00
RAG example (30K in / 2K out)$0.00494$0.08
Quality & speed
Intelligence Index47.1
Coding Index77.4
Agentic Index50.5
Output speed (tok/s)65
Time to first token71.18s
Specs
Context window1.05M1.05M
Input modalitiestext, imagefile, image, text

FAQ

Which is cheaper, DeepSeek Flash Latest or GPT-5.6 Sol?

DeepSeek Flash Latest has the lower blended API price at $0.228 per 1M tokens (3:1 input:output mix), versus $4.00 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), DeepSeek Flash Latest costs about $0.00494 per request versus $0.08. Also compare context windows: DeepSeek Flash Latest offers 1.05M 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 (47.1 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.