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Claude Opus 4.6 vs DeepSeek V3

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and DeepSeek V3 (DeepSeek). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 3:44 AM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

DeepSeek V3

DeepSeek

Pricing
Input $/1M$5.00$0.20
Output $/1M$25.00$0.80
Blended $/1M (3:1)$10.00$0.35
RAG example (30K in / 2K out)$0.2$0.007606
Quality & speed
Intelligence Index37.814.2
Coding Index23
Agentic Index
Output speed (tok/s)570
Time to first token1.85s0s
Specs
Context window1M164K
Input modalitiestext, image, filetext

FAQ

Which is cheaper, Claude Opus 4.6 or DeepSeek V3?

DeepSeek V3 has the lower blended API price at $0.35 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), DeepSeek V3 costs about $0.007606 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and DeepSeek V3 offers 164K.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (37.8 vs 14.2). Check coding and agentic indices on this page for workload-specific tradeoffs.