GPT OSS 120B API price
openai/gpt-oss-120b
The cheapest GPT OSS 120B API is $0.037/M input at OpenRouter (aggregator) - all 4 providers compared below, per 1M tokens.
MidOpenAI131K context4 sellers
Input
$0.037
per 1M tokens · OpenRouter (aggregator)
up to $0.15
Output
$0.17
per 1M tokens · OpenRouter (aggregator)
up to $0.60
Where to buy it
Cheapest GPT OSS 120B API providers compared - 4 sellers, from $0.037/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Your cost |
|---|---|---|---|---|
| OpenRouter (aggregator) | 0.037cheapest | 0.170 | - | |
| Batch | 0.030 | 0.136 | - | |
| TokenRouter (aggregator) | 0.039 | 0.180 | - | |
| Cheaper Inference (discount marketplace)59% off | 0.041 | 0.207 | 0.041 | |
| Together AI (inference host) | 0.150 | 0.600 | - |
4.1× between the cheapest and the dearest of 4 sellers.
Against its tier
- This model$0.207
- Tier median · GLM 5.1$4.002
- Dearest · GPT 5.5 Cyber$87.50
#1 of 36 mid · cheaper than 100%
Details
- Context window
- 131K131,072 tokens
- Developer
- OpenAI
- Intelligence
- 11.6 High
- Sellers
- 44.1× spread
- Cheapest at
- OpenRouter (aggregator)
- Combined
- $0.207in + out per 1M
- Last checked
- 2026-10-12