Anthropic: Claude Opus 4.8 vs OpenAI: GPT Chat Latest

They cost about the same for input tokens: Anthropic: Claude Opus 4.8 $5.00 per M, OpenAI: GPT Chat Latest $5.00 per M. Anthropic: Claude Opus 4.8 is 1.2× cheaper for output tokens: Anthropic: Claude Opus 4.8 costs $25.00 per M and OpenAI: GPT Chat Latest costs $30.00 per M. Anthropic: Claude Opus 4.8 reads more: Anthropic: Claude Opus 4.8 takes up to 1,000,000 tokens of context and OpenAI: GPT Chat Latest up to 400,000.

Anthropic: Claude Opus 4.8OpenAI: GPT Chat Latest
Model idanthropic/claude-opus-4.8openai/gpt-chat-latest
Input$5.00 per M$5.00 per M
Output$25.00 per M$30.00 per M
Context length1,000,000 tokens400,000 tokens
Acceptsfile, image, textfile, image, text
Producestexttext
Served byanthropicopenai

Prices are the providers' list prices per million tokens, as of . Both run on your own provider key through one OpenAI-compatible endpoint, with no fee on the tokens.