tokevenClaude Sonnet 4.6 vs GPT 5.6 Terra
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Sonnet 4.6
Mid-tierGPT 5.6 Terra
Mid-tierQuality
Task confidence comparison
Guidance
When to use Claude Sonnet 4.6 vs GPT 5.6 Terra
Choose Claude Sonnet 4.6 when...
- -You need strong code review (confidence 95 vs 84)
- -You need strong code generation (confidence 92 vs 86)
- -You need strong reasoning (confidence 88 vs 82)
- -You need strong creative writing (confidence 85 vs 80)
Choose GPT 5.6 Terra when...
- -You need strong summarization (confidence 92 vs 90)
- -You need strong q&a (confidence 92 vs 88)
- -You need strong extraction (confidence 90 vs 86)
- -You need strong classification (confidence 89 vs 84)
- -Cost matters: 33% cheaper on input tokens
- -You need a larger context window (1,050K vs 200K)
At scale
Cost at scale
FAQ
When should I use Claude Sonnet 4.6 instead of GPT 5.6 Terra?
Claude Sonnet 4.6 outperforms GPT 5.6 Terra for Code Generation, Code Review, Reasoning. It costs $3.00/$15.00 per million tokens (input/output).
Is GPT 5.6 Terra cheaper than Claude Sonnet 4.6?
Yes. GPT 5.6 Terra input costs $2.00/MTok vs $3.00/MTok for Claude Sonnet 4.6, saving 33% on input.
What are the context window sizes for Claude Sonnet 4.6 and GPT 5.6 Terra?
Claude Sonnet 4.6 has a 200K token context window. GPT 5.6 Terra has a 1,050K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Sonnet 4.6 and GPT 5.6 Terra stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.