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Claude Haiku 4.5 vs DeepSeek V4 Flash 0423

Side-by-side API pricing and Artificial Analysis performance for Claude Haiku 4.5 (Anthropic) and DeepSeek V4 Flash 0423 (DeepSeek). Green cells mark the better value in each row.

Prices updated Sep 19, 2026, 6:25 AM UTC · refreshed hourly

Claude Haiku 4.5

Anthropic

DeepSeek V4 Flash 0423

DeepSeek

Pricing
Input $/1M$1.00$0.047
Output $/1M$5.00$0.095
Blended $/1M (3:1)$2.00$0.059
RAG example (30K in / 2K out)$0.04$0.001609
Quality & speed
Intelligence Index17.634.5
Coding Index43.969.1
Agentic Index10.327.9
Output speed (tok/s)241
Time to first token0.89s
Specs
Context window200K1.05M
Input modalitiestext, image, filetext

FAQ

Which is cheaper, Claude Haiku 4.5 or DeepSeek V4 Flash 0423?

DeepSeek V4 Flash 0423 has the lower blended API price at $0.059 per 1M tokens (3:1 input:output mix), versus $2.00 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 0423 costs about $0.001609 per request versus $0.04. Also compare context windows: Claude Haiku 4.5 offers 200K and DeepSeek V4 Flash 0423 offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

DeepSeek V4 Flash 0423 leads on the Artificial Analysis Intelligence Index (34.5 vs 17.6). Check coding and agentic indices on this page for workload-specific tradeoffs.