Home / Compare / Claude Haiku 4.5 vs GPT-4.1 Mini

Claude Haiku 4.5 vs GPT-4.1 Mini

For a typical chat reply (2,000 tokens in, 400 out), Claude Haiku 4.5 costs 2.8× as much as GPT-4.1 Mini: $4.00 against $1.44 per 1,000 requests at list price on 2026-09-28.

Claude Haiku 4.5GPT-4.1 Mini
Input, per 1M tokens$1.00$0.40
Output, per 1M tokens$5.00$1.60
Context window200K1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$0.65$0.256
Chat reply (2,000 in, 400 out), per 1,000$4.00$1.44
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$10.50$4.00
Confidence signalnono
Tool callingyesyes
BANKING77, correct of 400301not measured

Which one should carry your traffic?

If GPT-4.1 Mini answers your requests as well as Claude Haiku 4.5, moving that traffic saves 64% on chat-shaped requests. Averages cannot tell you whether it does for your requests. GPT-4.1 Mini does not expose a confidence signal through OpenRouter, so Gimbix would test it as a full replacement rather than a first answer.

Claude Haiku 4.5 profile · GPT-4.1 Mini profile · Measure it on your traffic