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Claude Haiku 4.5 vs GPT-5.6 Sol: price

Claude Haiku 4.5 is 5.6× cheaper than GPT-5.6 Sol for a typical chat workload (1,500 tokens in, 500 out).

ItemClaude Haiku 4.5GPT-5.6 Sol
Input per 1M tokens$1.00$5.00
Output per 1M tokens$5.00$30.00
Cached input per 1M$0.10$0.50
1,000 chat messages1,500 tokens in, 500 out each$4.00$22.50
Summarize a 50-page PDF30,000 tokens in, 1,000 out$0.035$0.18
One coding-agent task60,000 tokens in, 4,000 out, no caching$0.08$0.42

GPT-5.6 Sol: Main pricing page lists $5 / $30. OpenAI's model page shows a promotional $4 / $20. Prompts over 272K tokens: 2x input, 1.5x output.

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

Claude Haiku 4.5 vs GPT-5.6 Sol in numbers

Output, usually the bigger part of the bill, costs $5.00 on Claude Haiku 4.5 and $30.00 on GPT-5.6 Sol, so Claude Haiku 4.5 is 6.0× cheaper there. Input costs $1.00 versus $5.00 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 $0.42 on GPT-5.6 Sol. Claude Haiku 4.5 accepts 200K tokens of context and GPT-5.6 Sol 1.05M tokens. Claude Haiku 4.5 came out on October 15, 2025 and GPT-5.6 Sol on July 9, 2026.

Claude Haiku 4.5 is made by Anthropic; GPT-5.6 Sol by OpenAI. Estimate your own bill for both in the cost calculator.

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Frequently asked questions

Is Claude Haiku 4.5 or GPT-5.6 Sol cheaper?

Claude Haiku 4.5 is 5.6× cheaper than GPT-5.6 Sol 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 $30.00 on GPT-5.6 Sol, so Claude Haiku 4.5 is 6.0× cheaper there.

Which is better, Claude Haiku 4.5 or GPT-5.6 Sol?

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 GPT-5.6 Sol pages, and read what users report in Discussions.