Rate
Claude Haiku 5.5 vs Claude Sonnet 5.5: price
Claude Haiku 5.5 is 20.0× cheaper than Claude Sonnet 5.5 for a typical chat (1,500 tokens in, 500 out).
| Item | Claude Haiku 5.5 | Claude Sonnet 5.5 |
|---|---|---|
| Input per 1M tokens | $0.10 | $2.00 |
| Output per 1M tokens | $0.50 | $10.00 |
| Cached input per 1M | $0.01 | $0.10 |
| 1,000 chat messages1,500 tokens in, 500 out each | $0.40 | $8.00 |
| Summarize a 50-page PDF30,000 tokens in, 1,000 out | $0.0035 | $0.07 |
| One coding-agent task60,000 tokens in, 4,000 out, no caching | $0.0080 | $0.16 |
Claude Haiku 5.5: Prompts over 100K tokens: $0.50 in / $2.50 out, cache reads $0.05.
List prices checked November 5, 2026. Price is half the story: see how people rate each one today.
Claude Haiku 5.5 vs Claude Sonnet 5.5 in numbers
Output, usually the bigger part of the bill, costs $0.50 on Claude Haiku 5.5 and $10.00 on Claude Sonnet 5.5, so Claude Haiku 5.5 is 20.0× cheaper there. Input costs $0.10 versus $2.00 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 $0.16 on Claude Sonnet 5.5. Both accept up to 1M tokens of context. Claude Haiku 5.5 came out on October 7, 2026 and Claude Sonnet 5.5 on September 28, 2026.
Both are Anthropic models. Estimate your own bill for both in the cost calculator.
Which one feels dumber today?
- Claude Haiku 5.5Anthropic
–no votes yet - Claude Sonnet 5.5Anthropic–no votes yet
Frequently asked questions
Is Claude Haiku 5.5 or Claude Sonnet 5.5 cheaper?
Claude Haiku 5.5 is 20.0× cheaper than Claude Sonnet 5.5 for a typical chat (1,500 tokens in, 500 out). Output, usually the bigger part of the bill, costs $0.50 on Claude Haiku 5.5 and $10.00 on Claude Sonnet 5.5, so Claude Haiku 5.5 is 20.0× cheaper there.
Which is better, Claude Haiku 5.5 or Claude Sonnet 5.5?
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 Claude Sonnet 5.5 pages, and read what users report in Discussions.