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Claude Opus 4.6 vs GPT 5.6 Sol

At a glance
AnthropicClaude Opus 4.6

Anthropic's previous flagship for complex coding and professional work.

871M ctx$5.00/$25.00 per M#9/92
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 Opus 4.6
Reasoning
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI86.8
Reasoning & Knowledge
Graduate Science—Expert-Level34.4%Factual Recall43.1%
Math
Research Math40.7%
Coding
Real-World Coding78.7%
Agentic
Terminal Tasks69.9%
OpenAIGPT 5.6 Sol
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Capability
Capability—
Reasoning & Knowledge
Graduate Science94.6%Expert-Level—Factual Recall—
Math
Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks88.8%
Specs
AnthropicClaude Opus 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 Opus 4.6
Vision
Audio
Reasoning
OpenAIGPT 5.6 Sol
Vision
Audio
Reasoning
Pricing
AnthropicClaude Opus 4.6
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/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 Opus 4.6Go to model
Chat with GPT 5.6 SolGo to model
Frequently Asked Questions: Claude Opus 4.6 vs GPT 5.6 Sol▼

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

▼

Both Claude Opus 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 Opus 4.6 or GPT 5.6 Sol?

▼

Claude Opus 4.6 has a lower blended cost. Claude Opus 4.6: $5.00 input / $25.00 output. GPT 5.6 Sol: $5.00 input / $30.00 output.

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

▼

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

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

▼

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

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

▼

Claude Opus 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 Opus 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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