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Kimi K2.6 vs GPT-5.6 Sol

Side-by-side API pricing and Artificial Analysis performance for Kimi K2.6 (Moonshot AI) and GPT-5.6 Sol (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:40 AM UTC · refreshed hourly

Kimi K2.6

Moonshot AI

GPT-5.6 Sol

OpenAI

Pricing
Input $/1M$0.684$5.00
Output $/1M$3.42$30.00
Blended $/1M (3:1)$1.37$11.25
RAG example (30K in / 2K out)$0.0274$0.21
Quality & speed
Intelligence Index44.258.9
Coding Index61.877.4
Agentic Index30.354
Output speed (tok/s)70
Time to first token112.90s
Specs
Context window262K1.05M
Input modalitiestext, imagefile, image, text

FAQ

Which is cheaper, Kimi K2.6 or GPT-5.6 Sol?

Kimi K2.6 has the lower blended API price at $1.37 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), Kimi K2.6 costs about $0.0274 per request versus $0.21. Also compare context windows: Kimi K2.6 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 44.2). Check coding and agentic indices on this page for workload-specific tradeoffs.