Claude Haiku 5.5 vs GPT-6 Luna: Pricing and Specs
Claude Haiku 5.5 $0.10 / $0.50 vs GPT-6 Luna $0.10 / $0.50 per 1M tokens in / out.
| Claude Haiku 5.5 | GPT-6 Luna | |
|---|---|---|
| Maker | Anthropic | OpenAI |
| Input, per 1M tokens | $0.10 | $0.10 |
| Output, per 1M tokens | $0.50 | $0.50 |
| Context window | 1M tokens claude.com | 1,050,000 tokens openai.com |
| Max output | 128K tokens claude.com | 128,000 tokens openai.com |
| Input types | Text, Image claude.com | Text, Image openai.com |
| Output types | Text claude.com | Text openai.com |
| Released | Oct 7, 2026 claude.com | Sep 22, 2026 openai.com |
| Retirement | Not sooner than October 7, 2027 claude.com | Not published in the docs we read |
| Price checked | Nov 9, 2026 anthropic.com | Nov 9, 2026 openai.com |
| Tracked changes | 1 | 0 |
Facts side by side from each maker's own pages. No score and no verdict.
Recent changes
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Questions
Which is cheaper, Claude Haiku 5.5 or GPT-6 Luna
They list the same price: $0.10 per 1M input tokens.
What do 1M input and 1M output tokens cost on each
Claude Haiku 5.5: $0.60. GPT-6 Luna: $0.60. Listed standard prices, before caching or batch discounts.
What context window does each have
Claude Haiku 5.5: 1M tokens. GPT-6 Luna: 1,050,000 tokens. From each maker's docs.
Who makes Claude Haiku 5.5 and GPT-6 Luna
Claude Haiku 5.5 is made by Anthropic. GPT-6 Luna is made by OpenAI.