GPT OSS 120B costs $0.15 per million input tokens and
$0.60 per million output tokens on Groq. It ranks #15 cheapest of 76
LLM APIs we track on a blended price of $0.26 per million tokens.
Input
$0.15
per 1M tokens
Output
$0.60
per 1M tokens
Cached input
—
no caching discount listed
Blended
$0.26
per 1M · 3 input : 1 output
What GPT OSS 120B costs for real workloads
| Workload | Estimated cost |
|---|---|
| Support chatbot: 100K messages | $30.00 |
| RAG search: 10K queries with 6K-token context | $12.00 |
| Batch summarization: 1,000 long documents | $3.60 |
| Coding agent: 100 tasks, 50K context x 20 turns | $16.20 |
Chatbot: 800 input + 300 output tokens per message. RAG: 6,000 + 500 per query. Summarization: 20,000 + 1,000 per document. Coding agent: 20 turns per task over a 50K-token context, with 95% of input served from cache where the model supports it.
GPT OSS 120B vs similarly priced models
| Model | Provider | Input / 1M | Output / 1M | Cached / 1M | Blended |
|---|---|---|---|---|---|
| Llama 4 Scout | Groq | $0.11 | $0.34 | — | $0.17 |
| gpt-6-luna | OpenAI | $0.10 | $0.50 | $0.010 | $0.20 |
| Claude Haiku 5.5 | Anthropic | $0.10 | $0.50 | $0.010 | $0.20 |
| Ministral 3 14B | Mistral AI | $0.20 | $0.20 | $0.020 | $0.20 |
| Z.ai GLM 5.3 Flash | Mistral AI | $0.15 | $0.50 | $0.030 | $0.24 |
| GLM-5.3-Flash | Together AI | $0.15 | $0.50 | $0.030 | $0.24 |
| deepseek-flash | DeepSeek | $0.15 | $0.60 | $0.003 | $0.26 |
| Mistral Small 4 | Mistral AI | $0.15 | $0.60 | $0.015 | $0.26 |
| GPT OSS 120B | Groq | $0.15 | $0.60 | — | $0.26 |
Prices last checked November 8, 2026 · re-checked twice a week from official pricing pages and APIs · How we collect prices
Other Groq models
GPT OSS 120B pricing FAQ
How much does the GPT OSS 120B API cost?
GPT OSS 120B costs $0.15 per million input tokens and $0.60 per million output tokens on Groq. Prices as of November 8, 2026.
How much does GPT OSS 120B cost for 1,000 requests?
At 1,000 input and 500 output tokens per request, 1,000 requests cost about $0.45.
Is GPT OSS 120B expensive compared to other LLM APIs?
It ranks #15 cheapest of 76 models we track on a blended price (3 input tokens per output token) of $0.26 per million tokens.
Picking a model for production?
Describe your workload and the Planner estimates monthly token spend across every model we track.