gpt-5 vs claude-sonnet-4
On a 1,500-input, 500-output call at 10,000 calls a day, gpt-5 costs about $3,150 a month and claude-sonnet-4 about $3,600 — gpt-5 is roughly 13% cheaper than claude-sonnet-4. gpt-5 lists $12.00 per 1M output tokens against claude-sonnet-4 at $15.00.
gpt-5 costs $3.00/1M in and $12.00/1M out; claude-sonnet-4 costs $3.00/1M in and $15.00/1M out.
Last updated . Model pricing is refreshed twice daily.
Price per 1M tokens
gpt-5: input $3.00, output $12.00. claude-sonnet-4: input $3.00, output $15.00.
- Monthly at 10,000 calls/day — gpt-5: $3,150, claude-sonnet-4: $3,600
- Monthly at 100,000 calls/day — gpt-5: $31,500, claude-sonnet-4: $36,000
- Time to first token — gpt-5: 250 ms, claude-sonnet-4: 160 ms
- Throughput — gpt-5: 180 tok/s, claude-sonnet-4: 100 tok/s
Which one to run
If your workload tolerates gpt-5's quality, the saving is immediate. If it does not, route: send the easy calls to gpt-5 and keep claude-sonnet-4 for the hard ones.
Frequently asked questions
Is gpt-5 cheaper than claude-sonnet-4?
gpt-5 is cheaper. At 10,000 calls a day with 1,500 input and 500 output tokens, gpt-5 costs about $3,150 a month and claude-sonnet-4 about $3,600.
What is the price difference between gpt-5 and claude-sonnet-4?
About 13% on the same workload, using list prices with no caching or batch discounts.