OpenAI: GPT-6.1 Sol (batch) vs Anthropic: Claude Opus 5.5 (batch)

For a sample job of 1 million input tokens and 250,000 output tokens, GPT-6.1 Sol (batch) costs $2.25 and Claude Opus 5.5 (batch) costs $4.50, so GPT-6.1 Sol (batch) is about 2.0 times cheaper for the same work.

Both take in a similar amount of text: 1,050,000 and 1,000,000 tokens, about 1,575 and 1,500 pages.

On our blended benchmark score Claude Opus 5.5 (batch) leads 100.0 to 89.2.

Across the 20 tasks where they differ, GPT-6.1 Sol (batch) scores higher on 7 (Code Completion, Code Documentation, Regex Writing and others), Claude Opus 5.5 (batch) on 13 (SQL Generation, Code Review, Code Refactoring and others).

Pick GPT-6.1 Sol (batch) if you need lower cost; pick Claude Opus 5.5 (batch) if you need benchmark performance.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.