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Claude Haiku 5.5 vs GPT 6 Luna

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 fastest, most affordable GPT-6 tier for high-volume, latency-sensitive work.

1.1M 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
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Agentic
Novel Reasoning—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science90.5%Factual Recall41.4%
Math
Competition Math98.9%
Agentic
Novel Reasoning59.3%
Specs
1M
Context
128K
Max output
Oct 2026
Released
1.1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
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
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 Claude Haiku 5.5Go to model
Chat with GPT 6 LunaGo to model
Frequently Asked Questions: Claude Haiku 5.5 vs GPT 6 Luna▼

Which is better, Claude Haiku 5.5 or GPT 6 Luna?

▼

Both Claude Haiku 5.5 and GPT 6 Luna 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 6 Luna?

▼

Claude Haiku 5.5 has a lower blended cost. Claude Haiku 5.5: $0.10 input / $0.50 output. GPT 6 Luna: $0.10 input / $0.50 output.

Which has a larger context window, Claude Haiku 5.5 or GPT 6 Luna?

▼

GPT 6 Luna has a larger context window: Claude Haiku 5.5 supports 1M tokens vs GPT 6 Luna at 1.1M tokens.

Do both Claude Haiku 5.5 and GPT 6 Luna support vision?

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Yes, both Claude Haiku 5.5 and GPT 6 Luna support vision/image input.

What are the key differences between Claude Haiku 5.5 and GPT 6 Luna?

▼

Claude Haiku 5.5 and GPT 6 Luna have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.

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 6 Luna for free on idapt.app to see which performs better for your specific needs.

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