# o4 pricing

> o4 costs $8.00 per 1M input tokens and $32.00 per 1M output tokens. Compare against cheaper alternatives and estimate your monthly bill — free, no login.

Source: https://tokenomy.ai/models/o4
Last updated: 2026-09-12
Publisher: Tokenomy — FinOps for AI
License: free to quote with attribution and a link to the source URL.

## Answer

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.

## 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.

## Related pages

- [Scan your AI spend free](https://tokenomy.ai/waste)
- [All model pricing](https://tokenomy.ai/models)
- [claude-fable-5 pricing](https://tokenomy.ai/models/claude-fable-5)
- [gpt-5.6-sol pricing](https://tokenomy.ai/models/gpt-5-6-sol)
- [gpt-4o pricing](https://tokenomy.ai/models/gpt-4o)
- [Token cost calculator](https://tokenomy.ai/tools/token-calculator)