GPT-4o mini vs Claude 4.5 Haiku

Detailed comparison of capabilities, features, and performance.

GPT-4o mini

GPT-4o mini

OpenAI
VS
Claude 4.5 Haiku

Claude 4.5 Haiku

Anthropic
Feature GPT-4o mini Claude 4.5 Haiku
AI Lab OpenAI Anthropic
Context Size 128,000 tokens 200,000 tokens
Max Output Size 16,384 tokens 64,000 tokens
Frontier Model No No
Vision Support Yes Yes
Description OpenAI's affordable and intelligent small model for fast lightweight tasks The latest Claude 4.5 Haiku model from Anthropic with a 1M token context window.

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