API prices / Compare

Claude Haiku 4.5 vs Claude Sonnet 5: price

Claude Haiku 4.5 is 2.0× cheaper than Claude Sonnet 5 for a typical chat workload (1,500 tokens in, 500 out).

ItemClaude Haiku 4.5Claude Sonnet 5
Input per 1M tokens$1.00$2.00
Output per 1M tokens$5.00$10.00
Cached input per 1M$0.10$0.20
1,000 chat messages1,500 tokens in, 500 out each$4.00$8.00
Summarize a 50-page PDF30,000 tokens in, 1,000 out$0.035$0.07
One coding-agent task60,000 tokens in, 4,000 out, no caching$0.08$0.16

List prices checked September 28, 2026. Price is half the story: see how people rate each one today.

Claude Haiku 4.5 vs Claude Sonnet 5 in numbers

Output, usually the bigger part of the bill, costs $5.00 on Claude Haiku 4.5 and $10.00 on Claude Sonnet 5, so Claude Haiku 4.5 is 2.0× cheaper there. Input costs $1.00 versus $2.00 per million tokens. For a coding-agent task (60,000 tokens in, 4,000 out) that is $0.08 on Claude Haiku 4.5 and $0.16 on Claude Sonnet 5. Claude Haiku 4.5 accepts 200K tokens of context and Claude Sonnet 5 1M tokens. Claude Haiku 4.5 came out on October 15, 2025 and Claude Sonnet 5 on June 30, 2026.

Both are Anthropic models. Estimate your own bill for both in the cost calculator.

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Frequently asked questions

Is Claude Haiku 4.5 or Claude Sonnet 5 cheaper?

Claude Haiku 4.5 is 2.0× cheaper than Claude Sonnet 5 for a typical chat workload (1,500 tokens in, 500 out). Output, usually the bigger part of the bill, costs $5.00 on Claude Haiku 4.5 and $10.00 on Claude Sonnet 5, so Claude Haiku 4.5 is 2.0× cheaper there.

Which is better, Claude Haiku 4.5 or Claude Sonnet 5?

It depends on the task, and price is only part of it. Check how people rate each one today on the Claude Haiku 4.5 and Claude Sonnet 5 pages, and read what users report in Discussions.