Context Window
131,072
Input tokens
Full-context input ≈ $0.01
Model Cost Profile
Developer: openai· Tokenizer: GPT · Quantization: bf16
Canonical ID: openai/gpt-oss-120b
Pricing updated Apr 24, 2026
Live Pricing
Input: $0.0390
Output: $0.1900
Last synced Apr 24, 2026 · MMLU score via public benchmark data
OpenAI's gpt-oss-120b model features an extensive context window of 131,072 tokens, making it suitable for complex applications such as legal document analysis and large-scale content generation. With an input price of $0.04 per million tokens and an output price of $0.19 per million tokens, teams can effectively manage costs while leveraging the model for high-volume tasks. This pricing structure allows organizations to scale their usage based on project needs, optimizing both budget and performance.
Provider Compliance
Context Window
131,072
Input tokens
Full-context input ≈ $0.01
Max Output
—
Not specified
Input Price / 1M
$0.0390
Prompt tokens
Output Price / 1M
$0.1900
Completion tokens
Top Benchmark
80.8
MMLU score — highest of MMLU, GPQA, MATH, HumanEval
Evaluation scores for OpenAI: gpt-oss-120b. The “Top Benchmark” shown above is the highest score across MMLU, GPQA, MATH & HumanEval.
Price History
Current Input / 1M
$0.0390
Current Output / 1M
$0.1900
Performance History
Current TPS
0.00
Current Latency
0ms
Uptime
98.6%
| Usage Type | Price / 1M Tokens |
|---|---|
| Input (Prompt) | $0.0390 |
| Output (Completion) | $0.1900 |
Estimate monthly spend for OpenAI: gpt-oss-120b based on your workload.
Estimated Monthly Cost
$3.26
25M input + 12M output tokens
Quick links for cost-down decisions before production rollout.