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GPT-5 Mini vs Claude Haiku 4.5

List rates and scores as of 2026-11-04. Lower $/MTok is cheaper. Higher scores rank better. Input edge: GPT-5 Mini Output edge: GPT-5 Mini

Model A

GPT-5 Mini

OpenAI

openai/gpt-5-mini

reasoningtools

List input$0.04
List output$0.29
Context400K
Offers48
AA intelligence20.6
AA coding0
AA agentic0

On plans: Copilot Business, Copilot Enterprise, Copilot Free, Copilot Pro

Model B

Claude Haiku 4.5

Anthropic

anthropic/claude-4.5-haiku

reasoningtools

List input$0.14
List output$0.71
Context200K
Offers93
AA intelligence16.9
AA coding43.9
AA agentic8

On plans: Claude Enterprise, Claude Max $100, Claude Max $200, Claude Pro

Score sources on /benchmarks.