Home / Compare / Claude Haiku 4.5 vs Phi 4

Claude Haiku 4.5 vs Phi 4

For a typical chat reply (2,000 tokens in, 400 out), Claude Haiku 4.5 costs 20× as much as Phi 4: $4.00 against $0.196 per 1,000 requests at list price on 2026-09-28.

Claude Haiku 4.5Phi 4
Input, per 1M tokens$1.00$0.07
Output, per 1M tokens$5.00$0.14
Context window200K16K
Classification or routing (600 tokens in, 10 out), per 1,000$0.65$0.0434
Chat reply (2,000 in, 400 out), per 1,000$4.00$0.196
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$10.50$0.63
Confidence signalnono
Tool callingyesno
BANKING77, correct of 400301not measured

Which one should carry your traffic?

If Phi 4 answers your requests as well as Claude Haiku 4.5, moving that traffic saves 95% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Phi 4 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 · Phi 4 profile · Measure it on your traffic