AnthropicClaude Opus 4.8VSOpenAIGPT-5.5
Our Take
Benchmarks & Scores
excellent at multi-file repositories, autonomous agents, and industrial codebases
graduate-level science QA
Cost & Context
Benchmarks & Scores
excellent at multi-file repositories, autonomous agents, and industrial codebases
graduate-level science QA
Cost & Context
Frequently Asked Questions about Claude Opus 4.8 vs GPT-5.5
Yes. GPT-5.5 features a blended token rate of $11.25/M tokens compared to Claude Opus 4.8's $10.00/M input and $30.00/M output structure, which translates to almost 2x cost savings on output-heavy operations.
Claude Opus 4.8 is cheaper than GPT-5.5. Claude Opus 4.8 has a blended cost of $10.00/1M tokens, which is about 1.1x cheaper than GPT-5.5 at $11.25/1M tokens.
Claude Opus 4.8 is better for coding tasks on this benchmark. It scores 69.2% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to GPT-5.5 which scores 58.6%.
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