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GPT 4 Turbo vs Claude Sonnet 5.5

At a glance

GPT-4 Turbo with vision capabilities and improved performance.

61128K ctx$10.00/$30.00 per M#68/92

Anthropic's Sonnet-class model for well-scoped everyday work, a direct upgrade over Claude Sonnet 5.

1M ctx$2.00/$10.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Capability
CapabilityECI61.4
Reasoning & Knowledge
Graduate Science46.6%Factual Recall—
Math
Math Problems46.7%Competition Math6.7%
Agentic
Task Horizon7min
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Cheaper73%
Capability
Capability—
Reasoning & Knowledge
Graduate Science105%95.6%Factual Recall46.5%
Math
Math Problems—Competition Math1400%100.0%
Agentic
Task Horizon—
Specs
128K
Context
4K
Max output
Apr 2024
Released
1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$10.00/M tokens
Output$30.00/M tokens
Live pricing, shown before you run
Input80%$2.00/M tokens
Output67%$10.00/M tokens
Cache read$0.20/M tokens
Cache write$2.50/M tokens
Web search$0.01/search
Chat with GPT 4 TurboGo to model
Chat with Claude Sonnet 5.5Go to model
Frequently Asked Questions: GPT 4 Turbo vs Claude Sonnet 5.5▼

Which is better, GPT 4 Turbo or Claude Sonnet 5.5?

▼

Both GPT 4 Turbo and Claude Sonnet 5.5 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, GPT 4 Turbo or Claude Sonnet 5.5?

▼

Claude Sonnet 5.5 has a lower blended cost. GPT 4 Turbo: $10.00 input / $30.00 output. Claude Sonnet 5.5: $2.00 input / $10.00 output.

Which has a larger context window, GPT 4 Turbo or Claude Sonnet 5.5?

▼

Claude Sonnet 5.5 has a larger context window: GPT 4 Turbo supports 128K tokens vs Claude Sonnet 5.5 at 1M tokens.

Do both GPT 4 Turbo and Claude Sonnet 5.5 support vision?

▼

Yes, both GPT 4 Turbo and Claude Sonnet 5.5 support vision/image input.

What are the key differences between GPT 4 Turbo and Claude Sonnet 5.5?

▼

Key differences: Claude Sonnet 5.5 is significantly cheaper; only Claude Sonnet 5.5 offers extended reasoning mode. 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 GPT 4 Turbo and Claude Sonnet 5.5 for free on idapt.app to see which performs better for your specific needs.

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