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GPT OSS 120B

Open-source 120B parameter model with reasoning capabilities via Groq inference.

gpt-oss-120b
STABLEGet StartedView uptime
128,000 context
Released August 5, 2025
Starting at $0.10/M input tokens
Starting at $0.50/M output tokens
Streaming
Tools
Reasoning
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All Providers for GPT OSS 120B

DigitSpace routes requests to the best providers that are able to handle your prompt size and parameters.

OpenAI
Context: 128k
Input
$0.1
/M tokens
Cache Read
$0.02
/M tokens
Output
$0.5
/M tokens
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Frequently asked questions

What is GPT OSS 120B?

Open-source 120B parameter model with reasoning capabilities via Groq inference. You can access it through DigitSpace's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does GPT OSS 120B cost?

Pricing for GPT OSS 120B on DigitSpace starts at $0.10 per million input tokens and $0.50 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of GPT OSS 120B?

GPT OSS 120B supports a context window of up to 128,000 tokens on its largest provider deployment.

Which providers serve GPT OSS 120B?

GPT OSS 120B is served by OpenAI through DigitSpace. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does GPT OSS 120B support tool calling and structured outputs?

GPT OSS 120B supports tool (function) calling, but not JSON output modes.

When was GPT OSS 120B released?

GPT OSS 120B was released on August 5, 2025.