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Claude Sonnet 4.6 vs GPT 5.6 Sol

At a glance
AnthropicClaude Sonnet 4.6

Anthropic's previous-generation Sonnet, with strong performance across coding, agents, and professional work.

851M ctx$3.00/$15.00 per M#14/92
OpenAIGPT 5.6 Sol

OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.

1.1M ctx$5.00/$30.00 per M
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
AnthropicClaude Sonnet 4.6
Reasoning
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI84.8
Reasoning & Knowledge
Graduate Science—
Coding
Real-World Coding75.2%
Agentic
Terminal Tasks53.4%Novel Reasoning60.4%
OpenAIGPT 5.6 Sol
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Capability
Capability—
Reasoning & Knowledge
Graduate Science94.6%
Coding
Real-World Coding—
Agentic
Terminal Tasks88.8%Novel Reasoning—
Specs
AnthropicClaude Sonnet 4.6
1M
Context
128K
Max output
Feb 2026
Released
OpenAIGPT 5.6 Sol
1.1M
Context
128K
Max output
Jul 2026
Released
Capabilities
AnthropicClaude Sonnet 4.6
Vision
Audio
Reasoning
OpenAIGPT 5.6 Sol
Vision
Audio
Reasoning
Pricing
AnthropicClaude Sonnet 4.6
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Cache write$3.75/M tokens
Web search$0.01/search
OpenAIGPT 5.6 Sol
Live pricing, shown before you run
Input$5.00/M tokens
Output$30.00/M tokens
Cache read$0.50/M tokens
Web search$0.01/search
Chat with Claude Sonnet 4.6Go to model
Chat with GPT 5.6 SolGo to model
Frequently Asked Questions: Claude Sonnet 4.6 vs GPT 5.6 Sol▼

Which is better, Claude Sonnet 4.6 or GPT 5.6 Sol?

▼

Both Claude Sonnet 4.6 and GPT 5.6 Sol are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Sonnet 4.6 or GPT 5.6 Sol?

▼

Claude Sonnet 4.6 has a lower blended cost. Claude Sonnet 4.6: $3.00 input / $15.00 output. GPT 5.6 Sol: $5.00 input / $30.00 output.

Which has a larger context window, Claude Sonnet 4.6 or GPT 5.6 Sol?

▼

GPT 5.6 Sol has a larger context window: Claude Sonnet 4.6 supports 1M tokens vs GPT 5.6 Sol at 1.1M tokens.

Do both Claude Sonnet 4.6 and GPT 5.6 Sol support vision?

▼

Yes, both Claude Sonnet 4.6 and GPT 5.6 Sol support vision/image input.

What are the key differences between Claude Sonnet 4.6 and GPT 5.6 Sol?

▼

Claude Sonnet 4.6 and GPT 5.6 Sol have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Sonnet 4.6 and GPT 5.6 Sol for free on idapt.app to see which performs better for your specific needs.

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