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gpt-oss:120b Free API on Ollama Cloud

Free API Verified
★★★★★★★★★★ 3.5 Benchmark-backed score

Open GPT reasoning model for self-hosted agents and controllable deployments

Free APIOpenAI compatibleReasoningTool callingJSON modeTextReasoning
API Details

Copy-ready connection details

Use these values in your client or SDK.
Base URL
https://ollama.com/api
Model ID
gpt-oss:120b
API format OpenAI-style
Technical Details

gpt-oss:120b specifications

Provider and model catalog
Context window 128K
Max output 131K
Status Online
Family gpt-oss
Released Aug 5, 2025
Last updated Sep 25, 2026
Free listing since Aug 5, 2025
Input text
Output text
Capabilities reasoning, tool calling, structured output, temperature control
Open weights Yes
AI Recommendation

Should you use gpt-oss:120b?

gpt-oss:120b is listed for chat, coding workloads and supports a 128K context window.

Use it when Ollama Cloud's free tier is enough for evaluation, demos, or light production traffic.

Best for
  • Chat
  • Coding
Strengths & Weaknesses

Strengths

  • Useful for coding workflows
  • Long context window
  • Reasoning mode listed
  • Tool calling support

Watch outs

  • Free-tier rate limits apply
  • Vision support is not listed
Benchmark Overview

Benchmark signals for gpt-oss:120b

Measured data
Intelligence General reasoning and instruction following
11.6/100
Coding Programming and code generation
30.4/100
Agentic Tool use and multi-step tasks
3.7/100
Speed Observed generation speed
184 tok/s
Context Maximum listed context window
128K
Pricing

gpt-oss:120b pricing per 1M tokens

Free tier listed
Input $0.15 per 1M tokens
Output $0.59 per 1M tokens
Access Available Ollama Cloud
Rate limit Session/weekly limits (unpublished) provider policy
Availability

gpt-oss:120b availability by provider

Current provider only

We only found this gpt-oss-120b listing on Ollama Cloud in the current catalog. Use the related models section for nearby alternatives.

Provider Model listing Access Context API Limits
Ollama Cloud gpt-oss:120b Free tier 128K OpenAI-style Session/weekly limits (unpublished)
View Ollama Cloud setup guide →
Typical Use Cases

gpt-oss:120b use cases

Chat

gpt-oss:120b is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

Coding

gpt-oss:120b is tagged for coding in this catalog and works with OpenAI-compatible client libraries.

FAQ

gpt-oss:120b free API FAQ

Is gpt-oss:120b free to use?

gpt-oss:120b is listed with free API access on Ollama Cloud, subject to the provider's quota and account policy.

What is the gpt-oss:120b model ID?

The model ID shown in this catalog is gpt-oss:120b.

What are the gpt-oss:120b free tier rate limits on Ollama Cloud?

The listed free tier limit is Session/weekly limits (unpublished). Limits can change per account tier, so confirm against the provider dashboard.

What context window does gpt-oss:120b support?

The listed context window is 128K tokens with up to 131K output tokens.

More about gpt-oss:120b

Cerebras offers GPT-oss-120b, a powerful text-based LLM ideal for chat and coding, generating up to 8,000 tokens from 128,000-token contexts at 30 RPM, 14,400 RPD, and 1M TPD, without requiring a credit card and compatible with OpenAI.

For API keys, setup steps, and provider-level limits, see the Ollama Cloud provider page.