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Claude Haiku 5.5 vs GPT 5.4

At a glance

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

1M ctx$0.10/$0.50 per M

OpenAI's latest frontier model, unifying the Codex and GPT lines into one system.

871.1M ctx$2.50/$15.00 per M#7/92
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
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper96%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—Task Horizon—
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Capability
CapabilityECI87.4
Reasoning & Knowledge
Graduate Science93.3%Expert-Level36.2%Factual Recall45.1%
Math
Competition Math97.8%Research Math47.6%
Coding
Real-World Coding76.9%
Agentic
Novel Reasoning74.0%Task Horizon5.7h
Specs
1M
Context
128K
Max output
Oct 2026
Released
1.1M
Context
128K
Max output
Mar 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input96%$0.10/M tokens
Output97%$0.50/M tokens
Cache read96%$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$2.50/M tokens
Output$15.00/M tokens
Cache read$0.25/M tokens
Web search$0.01/search
Chat with Claude Haiku 5.5Go to model
Chat with GPT 5.4Go to model
Frequently Asked Questions: Claude Haiku 5.5 vs GPT 5.4▼

Which is better, Claude Haiku 5.5 or GPT 5.4?

▼

Both Claude Haiku 5.5 and GPT 5.4 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 Haiku 5.5 or GPT 5.4?

▼

Claude Haiku 5.5 has a lower blended cost. Claude Haiku 5.5: $0.10 input / $0.50 output. GPT 5.4: $2.50 input / $15.00 output.

Which has a larger context window, Claude Haiku 5.5 or GPT 5.4?

▼

GPT 5.4 has a larger context window: Claude Haiku 5.5 supports 1M tokens vs GPT 5.4 at 1.1M tokens.

Do both Claude Haiku 5.5 and GPT 5.4 support vision?

▼

Yes, both Claude Haiku 5.5 and GPT 5.4 support vision/image input.

What are the key differences between Claude Haiku 5.5 and GPT 5.4?

▼

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 Claude Haiku 5.5 and GPT 5.4 for free on idapt.app to see which performs better for your specific needs.

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