Last refreshed 2026-06-30. Next refresh: weekly.
Why use gpt-oss-120b on Open Inference?
Open Inference offers gpt-oss-120b with free input token pricing. Open Inference provides an OpenAI-compatible API for hosted text-generation model inference.
Compare gpt-oss-120b across 12 providers to find the best fit for your use caseInput / 1M
Free
Output / 1M
Free
Cache
Not sourced
Batch
Not sourced
Setup recipe
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Use the provider REST API or SDKAuth
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model: gpt-oss-120bModel ID
gpt-oss-120bRequest example
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Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Compare gpt-oss-120b Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Cloudflare Workers AI | $0.35 | $0.75 |
| OpenRouter | $0.04 | $0.18 |
| Together AI | $0.15 | $0.60 |
| Fireworks AI | $0.15 | $0.60 |
| GCP Vertex AI | $0.09 | $0.36 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | Free |
| Output tokens | Free |
Capabilities
JSON / Tool useStructured Outputs
About gpt-oss-120b
OpenAI open-weight model with 120 billion parameters. Text-only model supporting reasoning, function calling, and structured outputs. Free for self-hosting. Released August 5, 2025.
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Model Specs
Released2025-08-05
Parameters120B
Context131k
ArchitectureDecoder Only
Knowledge cutoff2025-08