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Claude Opus 4.1 vs GPT 5.6 Sol

At a glance
AnthropicClaude Opus 4.1

High-capability model for complex reasoning and coding.

77200K ctx$15.00/$75.00 per M#38/92
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 4.1
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI76.5
Reasoning & Knowledge
Graduate Science73.2%
Math
Competition Math40.0%Research Math5.9%
Coding
Real-World Coding73.3%
Agentic
Terminal Tasks38.0%Task Horizon1.7h
OpenAIGPT 5.6 Sol
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Cheaper
Capability
Capability—
Reasoning & Knowledge
Graduate Science94.6%
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks88.8%Task Horizon—
Specs
AnthropicClaude Opus 4.1
200K
Context
32K
Max output
Aug 2025
Released
OpenAIGPT 5.6 Sol
1.1M
Context
128K
Max output
Jul 2026
Released
Capabilities
AnthropicClaude Opus 4.1
Vision
Audio
Reasoning
OpenAIGPT 5.6 Sol
Vision
Audio
Reasoning
Pricing
AnthropicClaude Opus 4.1
Live pricing, shown before you run
Input$15.00/M tokens
Output$75.00/M tokens
Cache read$1.50/M tokens
Cache write$18.75/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 Opus 4.1Go to model
Chat with GPT 5.6 SolGo to model
Frequently Asked Questions: Claude Opus 4.1 vs GPT 5.6 Sol▼

Which is better, Claude Opus 4.1 or GPT 5.6 Sol?

▼

Both Claude Opus 4.1 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 4.1 or GPT 5.6 Sol?

▼

GPT 5.6 Sol has a lower blended cost. Claude Opus 4.1: $15.00 input / $75.00 output. GPT 5.6 Sol: $5.00 input / $30.00 output.

Which has a larger context window, Claude Opus 4.1 or GPT 5.6 Sol?

▼

GPT 5.6 Sol has a larger context window: Claude Opus 4.1 supports 200K tokens vs GPT 5.6 Sol at 1.1M tokens.

Do both Claude Opus 4.1 and GPT 5.6 Sol support vision?

▼

Yes, both Claude Opus 4.1 and GPT 5.6 Sol support vision/image input.

What are the key differences between Claude Opus 4.1 and GPT 5.6 Sol?

▼

Key differences: GPT 5.6 Sol is significantly cheaper. Compare full specs on this page.

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 4.1 and GPT 5.6 Sol for free on idapt.app to see which performs better for your specific needs.

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