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GPT Mini (120b) vs Claude Haiku 5.5

At a glance

OpenAI's budget-friendly reasoning model — fast and surprisingly capable.

73131K ctx$0.04/$0.17 per M#49/92

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
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Cheaper65%
Capability
CapabilityECI73.2
Coding
Code Editing41.8%
Agentic
Terminal Tasks18.7%Task Horizon42min
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Capability
Capability—
Coding
Code Editing—
Agentic
Terminal Tasks—Task Horizon—
Specs
131K
Context
118K
Max output
Aug 2025
Released
1M
Context
128K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input63%$0.04/M tokens
Output66%$0.17/M tokens
Live pricing, shown before you run
Input$0.10/M tokens
Output$0.50/M tokens
Cache read$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Chat with GPT Mini (120b)Go to model
Chat with Claude Haiku 5.5Go to model
Frequently Asked Questions: GPT Mini (120b) vs Claude Haiku 5.5▼

Which is better, GPT Mini (120b) or Claude Haiku 5.5?

▼

Both GPT Mini (120b) 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 Mini (120b) or Claude Haiku 5.5?

▼

GPT Mini (120b) has a lower blended cost. GPT Mini (120b): $0.04 input / $0.17 output. Claude Haiku 5.5: $0.10 input / $0.50 output.

Which has a larger context window, GPT Mini (120b) or Claude Haiku 5.5?

▼

Claude Haiku 5.5 has a larger context window: GPT Mini (120b) supports 131K tokens vs Claude Haiku 5.5 at 1M tokens.

Do both GPT Mini (120b) and Claude Haiku 5.5 support vision?

▼

Claude Haiku 5.5 supports vision/image input, but GPT Mini (120b) does not.

What are the key differences between GPT Mini (120b) and Claude Haiku 5.5?

▼

Key differences: GPT Mini (120b) is significantly cheaper; only Claude Haiku 5.5 supports vision input. 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 Mini (120b) and Claude Haiku 5.5 for free on idapt.app to see which performs better for your specific needs.

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