CostBench · Badge verification
OpenAI Fine-tuning pricing verification
This badge is genuine. CostBench independently cross-checked OpenAI Fine-tuning’s published pricing against its official pricing page on May 30, 2026.
What the badge means: CostBench checked this product’s public pricing on the date shown. What it does not mean: it is not a vendor endorsement, not a certification, and not something a vendor can buy. The pricing record is compiled independently.
Price points on record
| Plan | Published price |
|---|---|
| GPT-4o mini Fine-tuning | — |
| GPT-4o Fine-tuning | — |
| GPT-4.1-mini Fine-tuning | — |
| Reinforcement Fine-tuning (o4-mini) | — |
0 published price points · last cross-checked May 30, 2026
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