Head-to-Head Pricing Benchmark
Side-by-side pricing and context window comparison for production model selection.
Default Recommendation (120M input + 60M output)
OpenAI: gpt-oss-120b is lower-cost for the default monthly workload scenario.
Adjust the workload in the calculator below to see a live recommendation for your usage.
| Metric | OpenAI: GPT-5 Nano | OpenAI: gpt-oss-120b |
|---|---|---|
| Developer | openai | openai |
| Context Window | 400,000 | 131,072 |
| Max Output Tokens | — | 131,072 |
| Input Cost / 1M Tokens | $0.0500 | $0.0390 |
| Output Cost / 1M Tokens | $0.4000 | $0.1900 |
| Projected Monthly Cost | $30 | $16 |
| Vision | ✅ Yes | ❌ No |
| Tool Calling | ✅ Yes | ✅ Yes |
| Structured Output | ✅ Yes | ✅ Yes |
| Reasoning | ✅ Yes | ✅ Yes |
| Web Search | ❌ No | ❌ No |
| Tokenizer | GPT | GPT |
| MMLU Score | 78.0 | 80.8★ |
| GPQA | 67.6 | 78.2★ |
Price History
Current Input / 1M
$0.0500
Current Output / 1M
$0.4000
Price History
Current Input / 1M
$0.0390
Current Output / 1M
$0.1900
Performance History
Current TPS
0.00
Current Latency
0ms
Uptime
99.6%
Performance History
Current TPS
0.00
Current Latency
0ms
Uptime
98.6%
Adjust your workload to see projected monthly costs.
OpenAI: GPT-5 Nano
$30
per month
OpenAI: gpt-oss-120b
$16
per month
Lower costLive Recommendation
OpenAI: gpt-oss-120b is lower-cost at 120M input + 60M output tokens/month.
Continue evaluation with more “A vs B pricing” decision pages.