tokevenClaudevsGPT
Claude Sonnet 5 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 5
Mid-tierGPT 5.6 Terra
Mid-tierInput $/MTok
$2.00
$2.00
Output $/MTok
$10.00
$12.00
Cache discount
90% off
90% off
Context
1M
922K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
68
vs
64
Code Review
96
vs
84
Summarization
64
vs
64
Q&A
89
vs
92
Extraction
70
vs
75
Reasoning
89
vs
91
Classification
86
vs
89
Creative Writing
62
vs
67
Claude Sonnet 5
GPT 5.6 Terra
Guidance
When to use Claude Sonnet 5 vs GPT 5.6 Terra
Choose Claude Sonnet 5 when...
- -You need strong code review (confidence 96 vs 84)
- -You need strong code generation (confidence 68 vs 64)
- -You need a larger context window (1M vs 922K)
Choose GPT 5.6 Terra when...
- -You need strong q&a (confidence 92 vs 89)
- -You need strong reasoning (confidence 91 vs 89)
- -You need strong classification (confidence 89 vs 86)
- -You need strong extraction (confidence 75 vs 70)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Sonnet 5
GPT 5.6 Terra
100K tokens
$0.44Cheaper
$0.50
1M tokens
$4.40Cheaper
$8.20
10M tokens
$44.00Cheaper
$82.00
FAQ
When should I use Claude Sonnet 5 instead of GPT 5.6 Terra?
Claude Sonnet 5 outperforms GPT 5.6 Terra for Code Generation, Code Review. It costs $2.00/$10.00 per million tokens (input/output).
Is GPT 5.6 Terra cheaper than Claude Sonnet 5?
Both models have the same input pricing at $2.00/MTok. Compare output pricing: $10.00 vs $12.00/MTok.
What are the context window sizes for Claude Sonnet 5 and GPT 5.6 Terra?
Claude Sonnet 5 has a 1M token context window. GPT 5.6 Terra has a 922K 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 5 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.