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Claude Fable 5.1 (batch) vs GPT-4.1 Mini

Side-by-side API pricing and Artificial Analysis performance for Claude Fable 5.1 (batch) (Anthropic) and GPT-4.1 Mini (OpenAI). Green cells mark the better value in each row.

Prices updated Sep 19, 2026, 12:11 PM UTC · refreshed hourly

Claude Fable 5.1 (batch)

Anthropic

GPT-4.1 Mini

OpenAI

Pricing
Input $/1M$5.00$0.40
Output $/1M$25.00$1.60
Blended $/1M (3:1)$10.00$0.70
RAG example (30K in / 2K out)$0.2$0.0152
Quality & speed
Intelligence Index53.410.2
Coding Index81.620.2
Agentic Index58
Output speed (tok/s)740
Time to first token151.53s0s
Specs
Context window1M1.05M
Input modalitiestext, image, fileimage, text, file

FAQ

Which is cheaper, Claude Fable 5.1 (batch) or GPT-4.1 Mini?

GPT-4.1 Mini has the lower blended API price at $0.70 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), GPT-4.1 Mini costs about $0.0152 per request versus $0.2. Also compare context windows: Claude Fable 5.1 (batch) offers 1M and GPT-4.1 Mini offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

Claude Fable 5.1 (batch) leads on the Artificial Analysis Intelligence Index (53.4 vs 10.2). Check coding and agentic indices on this page for workload-specific tradeoffs.