Best for coding
Insufficient dataEvidence
comparable_coding_benchmark_missingNo same-source coding benchmark is attached to both model versions.
MODEL COMPARE
VerifiedClaude Sonnet 5 vs GPT-5.6 Sol: Pricing, Capabilities and Benchmarks
Compare Claude Sonnet 5 and GPT-5.6 Sol across context window, API pricing, modalities, tool use and recommended use cases.
DECISION SUMMARY
Decision summary
Recommendations are conditional. Unknown values never count as a loss, and missing comparable benchmarks produce no winner.
Best for agents
Insufficient dataEvidence
comparable_agent_benchmark_missingCapabilities are listed, but a comparable agent benchmark is missing.
Long context
GPT-5.6 SolEvidence
context_window_largerClaude Sonnet 5=1000000; GPT-5.6 Sol=1050000
Lower monthly token cost
Claude Sonnet 5Evidence
same_provider_monthly_cost_lowerClaude Sonnet 5=4; GPT-5.6 Sol=5.5; input=1000000; cached_input=0; output=200000; provider=OpenRouter
Open deployment
Insufficient dataEvidence
open_weights_supportClaude Sonnet 5=unknown; GPT-5.6 Sol=unknown
| Attribute | Claude Sonnet 5 | GPT-5.6 Sol | Winner |
|---|---|---|---|
Context windowcontext_window_largerProvider endpoint | 1M | 1.05M | GPT-5.6 Sol |
Maximum outputmax_output_largerProvider endpoint | 128K | 128K | Tie |
Input modalitiesinput_modalities_differProvider endpoint | Text, Image, File | File, Image, Text | Insufficient data |
Output modalitiesoutput_modalities_differProvider endpoint | Text | Text | Insufficient data |
Tool callingtool_calling_supportProvider endpoint | Supported | Supported | Tie |
Structured outputstructured_output_supportProvider endpoint | Supported | Supported | Tie |
Reasoningreasoning_supportModel | Supported | Supported | Insufficient data |
Open weightsopen_weights_supportModel | Unknown | Unknown | Insufficient data |
Input price per 1M tokensinput_price_lowerProvider endpoint | $2 | $2.5 | Claude Sonnet 5 |
Output price per 1M tokensoutput_price_lowerProvider endpoint | $10 | $15 | Claude Sonnet 5 |
USAGE ESTIMATOR
Monthly cost calculator
Estimate token charges for the selected provider endpoints. Image, audio, request and web-search charges are not included.
This is a provider snapshot, not a quote. Confirm production pricing before use.