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GPT OSS 120B (Together AI)
openai·openai/gpt-oss-120b-4·GA·Open weights·gpt-oss series
Open GPT reasoning model for self-hosted agents and controllable deployments
At a glance
Reference price$0.15 / $0.60 per 1M
Cache read — · LLM Gateway
Lowest paid$0.15 / $0.60
LLM Gateway Gateway
Context131,072
Output limit32,768
Capabilities
✓ Reasoning✓ Tool useStructured output✓ TemperatureAttachments
Modalities
Text
Knowledge cutoff—
Released / updated2025-08-05 / 2025-08-05
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| LLM Gateway together-ai/gpt-oss-120b | Gateway | $0.15 | $0.60 | — | — | 131,072 | 32,768 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1LLM Gateway$60.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = mediumeffort = high
Related models
Safety GPT OSS 20Bsame series$0.075 / $0.30OpenAI GPT OSS 120Bsame series$2.92 / $2.92OpenAI GPT-oss-20bsame series$0.05 / $0.45GPT-5 Nanocheaper alternative$0.05 / $0.40GLM-4.7-Flashcheaper alternative$0 / $0Step 3.5 Flashcheaper alternative$0.10 / $0.30Hy3cheaper alternative$0 / $0
Price historyone sample accumulated per data sync
Input listOutput listMin blended