OpenAI AI models — pricing & specs
All 5 OpenAI models tracked by Mintok, with live $/M-token pricing, capability tiers and context windows. Sorted by capability, then price.
| Model | Tier | Class | Output $/M | Input $/M | Context |
|---|---|---|---|---|---|
| GPT-4.5 | 7/8 | Flagship | $15 | $3 | 128,000 |
| o3 | 5/8 | Balanced | $8 | $2 | 200,000 |
| GPT-4o | 5/8 | Balanced | $10 | $2.50 | 128,000 |
| GPT-4o mini | 4/8 | Fast | $0.60 | $0.15 | 128,000 |
| o4-mini | 3/8 | Fast | $4.40 | $1.10 | 200,000 |
FAQ
How much do OpenAI models cost?
OpenAI models on the Mintok catalog range from $0.60 to $15 per million output tokens.
What is OpenAI's cheapest model?
OpenAI's cheapest model is GPT-4o mini at $0.60 per million output tokens (tier 4/8).
What is OpenAI's most capable model?
OpenAI's highest-tier model on the catalog is GPT-4.5 at capability tier 7/8, $15/M output.
How many OpenAI models does Mintok track?
Mintok tracks 5 public OpenAI models with live specs and pricing.
Compare OpenAI on your workload
Benchmark OpenAI models on your own prompts, or find the cheapest capable option across all vendors.
Prices maintained by Mintok's catalog watchers from public sources. Tiers per methodology. Not investment advice.