Step 5 Preview pricing
Source: openrouter · updated 2026-10-28
Short answer: Step 5 Preview costs $1.00 per million input tokens and $2.70 per million output tokens. That is a 3:1 blended rate of $1.43 per million tokens, ranking it #467 of 713 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $1.00 |
| Output, per 1M tokens | $2.70 |
| Output รท input multiple | 2.70× |
| 3:1 blended, per 1M tokens | $1.43 |
| Context window | 1,048,576 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $1.00 | $0.675 | $1.68 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $10.00 | $6.75 | $16.75 | ||||
| 100M in / 25M out | $100 | $67.50 | $168 |
Other stepfun models
| Model | Input | Output |
|---|---|---|
| Step 3.5 Flash | $0.100 | $0.300 |
| Step 3.7 Flash | $0.200 | $1.15 |
Cheaper alternatives
Next cheaper option: Pareto 26.10 at $0.800 per 1M input tokens. Next step up: Grok 3 Mini Fast at $0.600 per 1M input tokens.