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Claude Opus 4.6 vs Kimi K2 Thinking

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and Kimi K2 Thinking (Moonshot AI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:36 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

Kimi K2 Thinking

Moonshot AI

Pricing
Input $/1M$5.00$0.60
Output $/1M$25.00$2.50
Blended $/1M (3:1)$10.00$1.07
RAG example (30K in / 2K out)$0.2$0.023
Quality & speed
Intelligence Index37.817.3
Coding Index21
Agentic Index1.8
Output speed (tok/s)57
Time to first token1.85s
Specs
Context window1M262K
Input modalitiestext, image, filetext

FAQ

Which is cheaper, Claude Opus 4.6 or Kimi K2 Thinking?

Kimi K2 Thinking has the lower blended API price at $1.07 per 1M tokens (3:1 input:output mix), versus $10.00 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), Kimi K2 Thinking costs about $0.023 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and Kimi K2 Thinking offers 262K.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (37.8 vs 17.3). Check coding and agentic indices on this page for workload-specific tradeoffs.