AI Rate CardStep 2 (16K) vs Step 3.5 Flash: API price and specs
Step 3.5 Flash is 96% cheaper than Step 2 (16K) on input price.
Step 3.5 Flash is 85% cheaper than Step 2 (16K) on output price.
Step 3.5 Flash is 94% cheaper than Step 2 (16K) on a 1M-in / 200k-out workload.
Step 3.5 Flash has a 1500% larger context than Step 2 (16K).
| Field | Step 2 (16K) | Step 3.5 Flash |
|---|---|---|
| Lowest input, per 1M | $2.00 +2122.2% | $0.09 |
| Median input, per 1M | $5.21 +5110% | $0.10 |
| Lowest output, per 1M | $2.00 +566.7% | $0.30 |
| Median output, per 1M | $16.44 +5380% | $0.30 |
| Lowest unit price | — | — |
| Cost of 1M in + 200k out | $2.40 +1500% | $0.15 |
| Context | 16K +93.8% | 262K |
| Max output | 8K +96.9% | 262K |
| Providers | 3 +76.9% | 13 |
| Regions | — | US |
| Accepts | text | text |
| Returns | text | text |
| Type | Text models | Text models |
| Free option | no | no |
| Cheapest provider | aihubmix | deepinfra |
Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.
Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.
Providers selling both
Frequently asked questions
Which is cheaper, Step 2 (16K) or Step 3.5 Flash?
Step 3.5 Flash is 96% cheaper than Step 2 (16K) on input price. Step 3.5 Flash is 85% cheaper than Step 2 (16K) on output price. Step 3.5 Flash is 94% cheaper than Step 2 (16K) on a 1M-in / 200k-out workload.
Which has the larger context, Step 2 (16K) or Step 3.5 Flash?
Step 2 (16K): 16K tokens; Step 3.5 Flash: 262K tokens.
Where can I use both Step 2 (16K) and Step 3.5 Flash?
aihubmix, stepfun, stepfun-ai