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GPT 5.2 vs Claude Haiku 5.5

At a glance

OpenAI's most capable model with adaptive reasoning for complex tasks.

85400K ctx$1.75/$14.00 per M#13/92

Anthropic's fast, low-cost Claude Haiku for high-volume work, succeeding Claude Haiku 4.5.

1M ctx$0.10/$0.50 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
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Capability
CapabilityECI85.1
Reasoning & Knowledge
Graduate Science91.4%Factual Recall37.1%
Math
Competition Math96.1%Research Math40.7%
Coding
Real-World Coding73.8%
Agentic
Terminal Tasks64.9%Novel Reasoning52.9%Task Horizon5.9h
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper96%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks—Novel Reasoning—Task Horizon—
Specs
400K
Context
128K
Max output
Dec 2025
Released
1M
Context
128K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$1.75/M tokens
Output$14.00/M tokens
Cache read$0.17/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input94%$0.10/M tokens
Output96%$0.50/M tokens
Cache read94%$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Chat with GPT 5.2Go to model
Chat with Claude Haiku 5.5Go to model
Frequently Asked Questions: GPT 5.2 vs Claude Haiku 5.5▼

Which is better, GPT 5.2 or Claude Haiku 5.5?

▼

Both GPT 5.2 and Claude Haiku 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 5.2 or Claude Haiku 5.5?

▼

Claude Haiku 5.5 has a lower blended cost. GPT 5.2: $1.75 input / $14.00 output. Claude Haiku 5.5: $0.10 input / $0.50 output.

Which has a larger context window, GPT 5.2 or Claude Haiku 5.5?

▼

Claude Haiku 5.5 has a larger context window: GPT 5.2 supports 400K tokens vs Claude Haiku 5.5 at 1M tokens.

Do both GPT 5.2 and Claude Haiku 5.5 support vision?

▼

Yes, both GPT 5.2 and Claude Haiku 5.5 support vision/image input.

What are the key differences between GPT 5.2 and Claude Haiku 5.5?

▼

Key differences: Claude Haiku 5.5 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 GPT 5.2 and Claude Haiku 5.5 for free on idapt.app to see which performs better for your specific needs.

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