GPT-OSS 120B
by OpenAIChat
Open-weight GPT model for self-hosted reasoning and instruction-following workloads
- Context
- 131K tokens
- Max output
- 65,536 tokens
- Parameters
- 117B total
- Released
- 2025-08-05
- Weights
- Open
- Licence
- apache-2.0
openai/gpt-oss-120b · also seen as databricks-gpt-oss-120b, accounts/fireworks/models/gpt-oss-120b, fireworks/gpt-oss-120b, groq/gpt-oss-120b, +34 more
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-08-05
- Weights
- Opennot gated
- License
- apache-2.0
- Input
- Text
- Output
- Text
- Context window
- 131,072 max across endpoints
- Max output
- 65,536
- Providers
- 66 + 23 gateways, not counted as providers
- Epoch Capabilities Index
- 140 ± 3.2 against price
- Direct price range
- $0.03–$0.53 in · $0.15–$1.31 out per 1M tokens · 59 of 66 providers have a comparable price
More details
- Last updated
- 2026-07-22
- Knowledge cutoff
- 2024-10
- Weights link
- Hugging Face · openai/gpt-oss-120b
- Parameters
- 117B total
- Developer country
- United States of America
- Training compute
- 4.9×10²⁴ FLOP
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web search
- Computer useunknown
- System messages
- Assistant prefillunknown
- Temperature
- Streaming
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $0.03 in / $0.15 out per 1M tokens at NEAR AI Cloud on every data refresh since then.
Tracked from 19 Oct 2026, the earliest refresh this model's headline price can be rebuilt from. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs GPT-OSS 120B |
|---|---|---|---|---|---|
| AutoGLM Phone 9B MultilingualZ.ai (Zhipu AI) | $0.0522 | $0.035 | $0.138 | 65.5K | +4% |
| Nova MicroAmazon | $0.0525 | $0.035 | $0.14 | 128K | +5% |
| Gemma 3 12B ITGoogle | $0.0533 | $0.04 | $0.12 | 131K | +7% |
| Qwen3-VL FlashAlibaba (Qwen) | $0.0542 | $0.022 | $0.215 | 262K | +8% |
| Qwen FlashAlibaba (Qwen) | $0.0543 | $0.022 | $0.216 | 1M | +9% |
| GLM-4.6V-FlashZ.ai (Zhipu AI) | $0.0546 | $0.0218 | $0.218 | 128K | +9% |
| LFM2 24B A2BLiquid AI | $0.045 | $0.03 | $0.12 | 32.8K | −10% cheaper |
| Llama 3.1 8B InstructMeta | $0.055 | $0.05 | $0.08 | 200K | +10% |
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