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Claude Haiku 5.5 vs GPT-6 Luna: price
Claude Haiku 5.5 and GPT-6 Luna cost about the same for a typical chat workload.
| Item | Claude Haiku 5.5 | GPT-6 Luna |
|---|---|---|
| Input per 1M tokens | $0.10 | $0.10 |
| Output per 1M tokens | $0.50 | $0.50 |
| Cached input per 1M | $0.01 | $0.01 |
| 1,000 chat messages1,500 tokens in, 500 out each | $0.40 | $0.40 |
| Summarize a 50-page PDF30,000 tokens in, 1,000 out | $0.0035 | $0.0035 |
| One coding-agent task60,000 tokens in, 4,000 out, no caching | $0.0080 | $0.0080 |
Claude Haiku 5.5: Prompts over 100K tokens: $0.50 in / $2.50 out, cache reads $0.05.
List prices checked October 26, 2026. Price is half the story: see how people rate each one today.
Claude Haiku 5.5 vs GPT-6 Luna in numbers
Both charge $0.50 per million output tokens. Input costs the same, $0.10 per million tokens. For a coding-agent task (60,000 tokens in, 4,000 out) that is $0.0080 on Claude Haiku 5.5 and $0.0080 on GPT-6 Luna. Claude Haiku 5.5 accepts 1M tokens of context and GPT-6 Luna 1.05M tokens. Claude Haiku 5.5 came out on October 7, 2026 and GPT-6 Luna on September 22, 2026.
Claude Haiku 5.5 is made by Anthropic; GPT-6 Luna by OpenAI. Estimate your own bill for both in the cost calculator.
Which one feels dumber today?
- Claude Haiku 5.5Anthropic
–no votes yet - GPT-6 LunaOpenAI–no votes yet
Frequently asked questions
Is Claude Haiku 5.5 or GPT-6 Luna cheaper?
Claude Haiku 5.5 and GPT-6 Luna cost about the same for a typical chat workload. Both charge $0.50 per million output tokens.
Which is better, Claude Haiku 5.5 or GPT-6 Luna?
It depends on the task, and price is only part of it. Check how people rate each one today on the Claude Haiku 5.5 and GPT-6 Luna pages, and read what users report in Discussions.