Model pricing
OpenAI o5 pricing
OpenAI o5 by OpenAI costs $6 per 1M input tokens and $24 per 1M output tokens (cached input $3, batch input not recorded) as of 2026-06-13. A 1,000-input/500-output request costs $0.018. The lowest-cost alternative with at least this context window and the same recorded reasoning category is GPT-6 Luna Pro at $0.1/$0.5; capability equivalence is not guaranteed.
Notes
o-series successor reasoning model
Key pricing facts
| Fact | Value |
|---|---|
| Input / 1M tokens | $6 |
| Output / 1M tokens | $24 |
| Cached input / 1M | $3 |
| Batch input / output / 1M | Not recorded |
| Context window | 300,000 |
| Provider | OpenAI |
| Last verified | 2026-06-13 |
| Snapshot updated | 2026-06-13 |
Last updated: · Source: OpenAI pricing · Methodology
Frequently asked questions
What does OpenAI o5 cost per million tokens?
Input costs $6 and output costs $24 per million tokens. The 1,000-input/500-output example costs $0.018, before discounts, taxes, hidden reasoning tokens or context-tier surcharges.
Does OpenAI o5 have cached or batch pricing?
Cached input: $3 per million tokens under the existing provider cache rules. Batch: not recorded in this dataset. Eligibility and cache-write charges depend on the provider; these discounts are not automatically stacked.
What is a cheaper alternative to OpenAI o5?
GPT-6 Luna Pro costs $0.1 input and $0.5 output per million tokens. This comparison matches context capacity and reasoning category, not benchmark quality. Test your workload before replacing a model.
How often are these prices verified?
The live pricing table synchronizes stored model records daily; public file snapshots update when the site is rebuilt. Synchronization is not independent provider verification. Snapshot updated 2026-06-13. The recorded model verification date is 2026-06-13.