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OpenAI

GPT Oss 120b

deepinfra/openai/gpt-oss-120b

GPT Oss 120b is a reasoning model by OpenAI with function calling, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It supports a 131K token context window with up to 131K tokens of output. Priced at $0.037 per million input tokens and $0.17 per million output tokens, it is one of the most cost-efficient options in its class. Access GPT Oss 120b through Inworld LLM Inference with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

Input
$0.037
Output
$0.17
Cache read
—
Context
131.1K
Max output
131.1K
Text→Text
Function CallingReasoningStructured output
Run on your server. Set INWORLD_API_KEY to your API key. Python requires pip install openai; JavaScript requires Node.js 18+; save it as example.mjs.
curl --fail-with-body https://api.inworld.ai/v1/chat/completions \
  -H "Authorization: Basic $INWORLD_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "deepinfra/openai/gpt-oss-120b",
    "messages": [{"role": "user", "content": "Hello"}],
    "stream": true
  }'
Model GPT Oss 120bOpenAI SDK compatible

Pricing and providers

Access GPT Oss 120b through Inworld LLM Inference or speech to speech via 2 inference providers. By using the providers below you agree to their terms, listed under each provider's name in the Legal section.

Modalities
DeepInfraThis pagedeepinfra/openai/gpt-oss-120b
$0.037$0.17——131.1K131.1K
Text→Text
Groqgroq/openai/gpt-oss-120b
$0.15$0.60$0.075—131.1K32.8K
Text→Text
Prices in USD per 1M tokens.

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