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DeepSeek V4 Flash Latest vs Claude Opus 4.6

Side-by-side API pricing and Artificial Analysis performance for DeepSeek V4 Flash Latest (~deepseek) and Claude Opus 4.6 (Anthropic). Green cells mark the better value in each row.

Prices updated Sep 18, 2026, 5:38 PM UTC · refreshed hourly

DeepSeek V4 Flash Latest

~deepseek

Claude Opus 4.6

Anthropic

Pricing
Input $/1M$0.055$5.00
Output $/1M$0.165$25.00
Blended $/1M (3:1)$0.083$10.00
RAG example (30K in / 2K out)$0.00198$0.2
Quality & speed
Intelligence Index26.4
Coding Index
Agentic Index
Output speed (tok/s)0
Time to first token0s
Specs
Context window1.31M1M
Input modalitiestexttext, image, file

FAQ

Which is cheaper, DeepSeek V4 Flash Latest or Claude Opus 4.6?

DeepSeek V4 Flash Latest has the lower blended API price at $0.083 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 V4 Flash Latest costs about $0.00198 per request versus $0.2. Also compare context windows: DeepSeek V4 Flash Latest offers 1.31M and Claude Opus 4.6 offers 1M.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (26.4 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.