Where to use GPT OSS 120B for free
8 free ways to use GPT OSS 120B (OpenAI): rate limits per source, context window, tool calling and vision support, and how to self-host it.
OpenAI · open weights · 131k context · tool calling · 6 of 8 verified · how we verify
Free sources
Verified first
| Offer | Served as | RPM | RPD | TPM | Context | Card | Resets | Status |
|---|---|---|---|---|---|---|---|---|
 AkashML $100 Free AI Token Credits | GPT OSS 120B | — | — | — | 128k | no card | — | Verified · Oct 12, 2026 |
 Baseten AI Startup Program | GPT OSS 120B | — | — | — | — | no card | — | Verified · Oct 12, 2026 |
 Cerebras Inference Free Trial | gpt-oss-120b | 5 | — | 30,000 | 65k | card | — | Verified · Oct 12, 2026 |
 Groq Free Tier | openai/gpt-oss-120b | 30 | 1,000 | 8,000 | 131k | no card | — | Verified · Oct 12, 2026 |
 OVHcloud AI Endpoints Free Tier | gpt-oss-120b | 400 | — | — | — | card | — | Verified · Oct 12, 2026 |
 Together AI Startup Accelerator | openai/gpt-oss-120b | — | — | — | 131k | no card | — | Verified · Oct 12, 2026 |
 BytePlus Free Trial | gpt-oss-120b | — | — | — | — | no card | — | Listed · Sep 12, 2026 |
 Cloudflare Workers AI Free Tier | @cf/openai/gpt-oss-120b | 300 | — | — | — | no card | resets daily | Listed · Oct 21, 2026 |
GPT OSS 120B has open weights: you can download the file and run it under its license. Why some models download and others do not (5 min)
Run GPT OSS 120B yourself
vLLM (Apache-2.0) runs on your own machine with no quota.
Serves the same open models (gpt-oss, Qwen) on your own GPUs.
Ollama (MIT) runs on your own machine with no quota.
Runs the same open-weight models (gpt-oss, Qwen) locally, slower than Groq's hardware.
Related
- gpt-oss-20b3 sources
- GPT-5.6 Luna2 sources
- gpt-6.1-sol2 sources
- gpt-6-astra2 sources
- GPT-6 Luna2 sources
- GPT Image 22 sources
- gpt-5.6-sol1 source
- GPT-6 Luna Decisions1 source
Frequently asked questions
- Where can I use GPT OSS 120B for free?
- 8 listed offers serve GPT OSS 120B free: AkashML $100 Free AI Token Credits, Baseten AI Startup Program, Cerebras Inference Free Trial and 5 more. The tightest published daily cap among them is 1,000 requests per day.
- What context window does GPT OSS 120B have on free tiers?
- The largest context any listed free source documents for GPT OSS 120B is 131k tokens. Some free tiers cap it lower; the per-source value is in the table.
- Can I self-host GPT OSS 120B?
- Yes. GPT OSS 120B ships open weights, and 2 listed sources map to open-source projects that run it on your own hardware with no quota.
Limits are what each provider publishes; a dash means the provider publishes none, and no number here is guessed. Rows are re-checked monthly (how we verify).