Head-to-Head Pricing Benchmark
Side-by-side pricing and context window comparison for production model selection.
Default Recommendation (120M input + 60M output)
Free Models Router 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-5.4 Nano | Free Models Router |
|---|---|---|
| Developer | openai | openrouter |
| Context Window | 400,000 | 200,000 |
| Max Output Tokens | 128,000 | — |
| Input Cost / 1M Tokens | $0.2000 | $0.0000 |
| Output Cost / 1M Tokens | $1.25 | $0.0000 |
| Projected Monthly Cost | $99 | $0.00 |
| Vision | ✅ Yes | ✅ Yes |
| Tool Calling | ✅ Yes | ✅ Yes |
| Structured Output | ✅ Yes | ✅ Yes |
| Reasoning | ✅ Yes | ✅ Yes |
| Web Search | ❌ No | ❌ No |
| Tokenizer | GPT | Router |
| MMLU Score | 65.7 | N/A |
| GPQA | 51.2 | N/A |
Price History
Not enough data yet. Price tracking started recently — check back in a few days.
Price History
Current Input / 1M
$0.000000
Current Output / 1M
$0.000000
Adjust your workload to see projected monthly costs.
OpenAI: GPT-5.4 Nano
$99
per month
Free Models Router
$0.00
per month
Lower costLive Recommendation
Free Models Router is lower-cost at 120M input + 60M output tokens/month.
Continue evaluation with more “A vs B pricing” decision pages.
Quick Compare
Select two models to see a head-to-head pricing breakdown.