GPT OSS 120B
GPT OSS 120B is OpenAI's language model with a 131K context window and up to 131K output tokens, available from 24 providers, starting at $0.03 / 1M input and $0.17 / 1M output. A 120-billion-parameter open-weights GPT model from OpenAI designed for reasoning-intensive tasks with implicit caching support.
| Benchmarks | |
|---|---|
| Intelligence Index | #285 |
| Coding Index | #119 |
| Math Index | #18 |
| MMLU-Pro | #113 |
| GPQA | #178 |
| HLE | #148 |
| LiveCodeBench | #8 |
| IFBench | #71 |
| Time to First Token | #394 |
| SciCode | #256 |
| AIME 2025 | #18 |
| LCR | #246 |
| TerminalBench Hard | #141 |
| TAU2 | #161 |
| Output TPS | #17 |
Capabilities
Input2/5
Text✓
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities7/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling✓
Structured Outputs✓
Native JSON Schema✓
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | Flex | Fast | Batch | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Cache Write 5m $ / 1M | Input $ / 1M | Output $ / 1M | Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Input $ / 1M | Output $ / 1M | |
| $0.15 | $0.6 | N/A | N/A | $0.075 | $0.3 | $0.263 | $1.05 | N/A | $0.075 | $0.3 | |
| $0.15 | $0.6 | $0.082 | N/A | — | — | — | — | — | — | — | |
| $0.1 | $0.5 | $0.1 | N/A | — | — | — | — | — | — | — | |
| $0.35 | $0.75 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.35 | $0.75 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.8 | $0.8 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.6 | $0.15 | $0.15 | — | — | — | — | — | — | — | |
| $0.037 | $0.17 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.6 | $0.015 | N/A | — | — | $0.18 | $0.72 | $0.018 | — | — | |
| $0.09 | $0.36 | N/A | N/A | — | — | — | — | — | $0.045 | $0.18 | |
| $0.15 | $0.6 | $0.075 | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.75 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.05 | $0.25 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.09 | $0.47 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.171 | $0.684 | N/A | N/A | — | — | — | — | — | — | — | |
| N/A | $0.6 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.159 | $0.636 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.6 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.05 | $0.25 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.6 | $0.075 | N/A | — | — | — | — | — | N/A | N/A | |
| — | — | — | — | — | — | — | — | — | $0.0296 | $0.136 | |
| $0.08 | $0.4 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.18 | $0.72 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.06 | $0.4 | $0.03 | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.6 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.6 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.15 | $0.6 | N/A | N/A | — | — | — | — | — | — | — | |
| $0.1 | $0.5 | $0.1 | N/A | — | — | — | — | — | — | — | |
| $0.03 | $0.17 | N/A | N/A | — | — | — | — | — | — | — | |
Cost Calculator
US Dollar ($)
Preset:
Cheapest Instances to Run It
Cloud GPU instances that can host GPT OSS 120B, ranked by cheapest on-demand price. The model needs about 288 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.
All clouds
FP16 (full precision)
US Dollar ($)
Instance | Cloud | GPU | VRAM | Price | Cheapest region | |
|---|---|---|---|---|---|---|
| Standard_NC96ads_A100_v4 |  Azure | 4× NVIDIA A100 | 320 GB | $14.69/hr | ||
| g7e.24xlarge |  AWS | 4× RTX PRO Server 6000 | 384 GB | $16.57/hr | ||
| g4-standard-192 |  GCP | 4× nvidia-rtx-pro-6000 | 384 GB | $18.00/hr | ||
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT OSS 120B Safeguard | 131K | $0.150 | $0.600 | Available | |
| GPT OSS 20B Safeguard | 131K | $0.070 | $0.200 | Available | |
| GPT OSS 120B | 131K | $0.030 | $0.170 | Current | |
| GPT OSS 20B | 131K | $0.015 | $0.070 | Deprecated |