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Claude Haiku 4.5 vs Seed 2.1 Turbo

Side-by-side API pricing and Artificial Analysis performance for Claude Haiku 4.5 (Anthropic) and Seed 2.1 Turbo (Bytedance Seed). Green cells mark the better value in each row.

Prices updated Sep 19, 2026, 6:30 PM UTC · refreshed hourly

Claude Haiku 4.5

Anthropic

Seed 2.1 Turbo

Bytedance Seed

Pricing
Input $/1M$1.00$0.50
Output $/1M$5.00$2.50
Blended $/1M (3:1)$2.00$1.00
RAG example (30K in / 2K out)$0.04$0.02
Quality & speed
Intelligence Index17.6
Coding Index43.9
Agentic Index10.3
Output speed (tok/s)
Time to first token
Specs
Context window200K262K
Input modalitiestext, image, filetext, image, video

FAQ

Which is cheaper, Claude Haiku 4.5 or Seed 2.1 Turbo?

Seed 2.1 Turbo has the lower blended API price at $1.00 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), Seed 2.1 Turbo costs about $0.02 per request versus $0.04. Also compare context windows: Claude Haiku 4.5 offers 200K and Seed 2.1 Turbo offers 262K.

Which scores higher on Artificial Analysis benchmarks?

Claude Haiku 4.5 leads on the Artificial Analysis Intelligence Index (17.6 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.