o4 pricing
o4 costs $8.00 per 1M input tokens and $32.00 per 1M output tokens as of 2026-09-12. A workload of 10M input and 2M output tokens per month runs $144.00. The cheapest comparable alternative is claude-sonnet-4 at $15.00 per 1M output tokens.
o4 is priced at $8.00 per 1M input tokens and $32.00 per 1M output tokens, with roughly 350 ms to first token and about 60 tokens/sec output throughput.
Last updated . Model pricing is refreshed twice daily.
Price per 1M tokens
Input $8.00 · Output $32.00 · Output/input ratio 4.0x.
- 1M input + 1M output tokens: $40.00
- 10M input + 2M output tokens/month: $144.00
- 100M input + 20M output tokens/month: $1440.00
Cheaper alternatives to o4
Same workload, lower output price. Validate quality before switching.
- claude-fable-5 — $22.00/1M output (31% cheaper)
- gpt-5.6-sol — $18.00/1M output (44% cheaper)
- gpt-4o — $15.00/1M output (53% cheaper)
- claude-sonnet-4 — $15.00/1M output (53% cheaper)
How much are you wasting on o4?
Price lists are the easy part. Run the free waste scanner on your usage export to see which calls should have run on a cheaper tier, which prompts are oversized, and which retries you paid for twice — with dollars recoverable per finding.
Frequently asked questions
How much does o4 cost per million tokens?
$8.00 per 1M input tokens and $32.00 per 1M output tokens, as listed on 2026-09-12.
What does o4 cost per month at typical usage?
At 10M input and 2M output tokens per month, o4 costs about $144.00. At 100M input and 20M output tokens it costs about $1440.00.
Is there a cheaper alternative to o4?
Yes. claude-fable-5 at $22.00/1M output, gpt-5.6-sol at $18.00/1M output, gpt-4o at $15.00/1M output, claude-sonnet-4 at $15.00/1M output. Validate quality on your own evaluation set before switching.
How fast is o4?
Roughly 350 ms to first token and about 60 output tokens per second.