AI model comparisons

Claude Haiku 5.5 vs GPT-6 Luna

Claude Haiku 5.5 from Anthropic and GPT-6 Luna from OpenAI, side by side. Check the specs, then run your own prompt on both.

SpecsClaude Haiku 5.5GPT-6 Luna
ProviderAnthropicOpenAI
Minimum planFreeFree
Context window1M tokens1.05M tokens
ReasoningYesYes
Web searchYesNo

About Claude Haiku 5.5

Claude Haiku 5.5 is the fastest option for high-volume tasks like classification, extraction, and routing. Supports reasoning and web search.

About GPT-6 Luna

GPT-6 Luna is an efficient reasoning model for high-volume, clearly scoped tasks like summarizing or extracting information.

Run the same prompt on both

Open both models in Split view with one prompt, or chat with each one separately.

Step through a tough problem

Work through this carefully, show your reasoning, and state your confidence at the end:

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Find the flaw

Here is an argument. Find weak points, hidden assumptions, and a stronger alternative:

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FAQ

Claude Haiku 5.5 vs GPT-6 Luna FAQ

Claude Haiku 5.5 vs GPT-6 Luna

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