openai/gpt-oss-120b pricing
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. openai/gpt-oss-120b from DeepInfra costs $0.037 per 1M input tokens and $0.170 per 1M output tokens. Context window 131,072 tokens.
API id openai/gpt-oss-120b · DeepInfra · source · updated 2026-09-25 · general-purpose
$0.037
Input / 1M tokens
$0.170
Output / 1M tokens
—
Cached input / 1M
131K
Context window
openai/gpt-oss-120b specifications
- Provider
- DeepInfra
- API id
openai/gpt-oss-120b- Model type
- general-purpose
- Context window
- 131K tokens
- Max output
- not published
- Currency
- USD
- Price source
- Provider API
- Last checked
- 2026-09-25
OpenAI: gpt-oss-120b across providers
The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.
| Provider | Input /1M | Cached /1M | Output /1M | 1M in + 1M out | vs vendor |
|---|---|---|---|---|---|
| $0.037 | — | $0.170 | $0.21 | — | |
OpenRouterHost | $0.150 | $0.075 | $0.600 | $0.75 | — |
Together AIHost | $0.150 | — | $0.600 | $0.75 | — |
What openai/gpt-oss-120b costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.0001 |
| Document summary | 50,000 | 2,000 | $0.0022 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $0.07 |
Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.
openai/gpt-oss-120b price history
| Recorded | Input /1M | Output /1M |
|---|---|---|
| 2026-09-18 | $0.150 | $0.600 |
| 2026-08-27 | $0.037 | $0.170 |
| 2026-08-27 | $0.037 | $0.170 |
Common questions
- How much does openai/gpt-oss-120b cost per 1M tokens?
- openai/gpt-oss-120b costs $0.037 per 1M input tokens and $0.170 per 1M output tokens on the standard tier.
- What is openai/gpt-oss-120b's context window?
- openai/gpt-oss-120b accepts up to 131,072 tokens in a single request.
- Is there a cheaper DeepInfra model than openai/gpt-oss-120b?
- Yes. mistralai/Mistral-Nemo-Instruct-2407 is $0.019 per 1M input tokens versus $0.037 for openai/gpt-oss-120b, with a 131,072 token context window.
- Where does this openai/gpt-oss-120b price come from?
- From the OpenRouter catalogue, because DeepInfra does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from DeepInfra's own — verify before committing spend.
Head-to-head comparisons
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- openai/gpt-oss-120b-Ultra $0.200
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