Last refreshed 2026-05-01. Next refresh: weekly.
Why use gpt-oss-20b on NVIDIA NIM?
NVIDIA NIM offers gpt-oss-20b with competitive pricing. NVIDIA NIM is NVIDIA's deployment platform for GPU-accelerated inference microservices.
Compare gpt-oss-20b across 6 providers to find the best fit for your use caseInput / 1M
-
Output / 1M
-
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: openai/gpt-oss-20bModel ID
openai/gpt-oss-20bRequest example
Curated snippets for this provider are not sourced yet. Use NVIDIA NIM documentation with model ID
openai/gpt-oss-20b.Gotchas
- Use provider model ID "openai/gpt-oss-20b", not the LLMReference slug "gpt-oss-20b".
Compare gpt-oss-20b Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $0.03 | $0.14 |
| Fireworks AI | $0.07 | $0.30 |
| GCP Vertex AI | $0.07 | $0.25 |
| NVIDIA NIM | — | — |
| GroqCloud | $0.07 | $0.30 |
Pricing
| Type | Rate |
|---|---|
| GPU Hour Rate | $1.00/GPU·hr |
| GPU Config | 1xH100 |
Capabilities
Function CallingTool UseStructured Outputs
About gpt-oss-20b
OpenAI open-weight model with 20 billion parameters. Lightweight, efficient text-only model with reasoning and function calling. Free for self-hosting. Released August 5, 2025.
FAQ
What is the context window for gpt-oss-20b on NVIDIA NIM?
gpt-oss-20b supports a 131,072 token context window on NVIDIA NIM.
How does NVIDIA NIM compare to other gpt-oss-20b providers?
gpt-oss-20b is available from 6 providers. The cheapest input pricing is $0.03/1M tokens from OpenRouter.
What API model ID do I use for gpt-oss-20b on NVIDIA NIM?
Use the model ID openai/gpt-oss-20b when calling NVIDIA NIM's API.
Who created gpt-oss-20b?
gpt-oss-20b was created by OpenAI as part of the GPT-OSS model family.
Is gpt-oss-20b open source?
gpt-oss-20b is open source according to the seed data.
Model Specs
Released2025-08-05
Parameters20B
Context131K
ArchitectureDecoder Only
Knowledge cutoff2025-08