Step 3.5 Flash 2603 pricing.
Prices checked
Step 3.5 Flash 2603 costs $0.10 in and $0.31 out per million tokens from StepFun; the cheapest price is $0.14 at CommandCode, checked .
StepFun's own price
StepFun
$0.10 in · $0.31 out
82% below the typical price of the 392 text models we track.
Cheapest price
CommandCode
$0.09 in · $0.30 out
9% less than StepFun, and the provider says why.
Every provider selling Step 3.5 Flash 2603
- 1Runs it themselves
$0.09 in · $0.30 out
$0.14/M tokens - 2
$0.09 in · $0.30 out · 262k context here
$0.14/M tokens - 3
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 4
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 5
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 6
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 7
$0.10 in · $0.30 out
$0.15/M tokens - 8
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 9
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 10
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 11
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 12
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens - 13
$0.10 in · $0.30 out
$0.15/M tokens - 14
$0.10 in · $0.31 out · 262k context here
$0.16/M tokens - 15
$0.10 in · $0.31 out
$0.16/M tokens - 16
$0.11 in · $0.32 out · 262k context here
$0.16/M tokens
Not ranked
Below the maker's own price with nothing published to account for it, from a catalog we could not read reliably, or a free tier, which is a limit rather than a price. Why
$0.10 in · $0.30 out · 262k context here
$0.15/M tokens
What it costs for your work
A month at StepFun's own price
A month at CommandCode, the cheapest
What you save
A page is about 600 tokens in and 60 out, a support reply 200 in and 300 out, an email 150 in and 250 out. Nothing else is counted: no cache discount, no batch rate, no free tier.
How we count
Prices are per million tokens. The big number on each row is blended 3 in : 1 out, the way most work uses a model. A price below StepFun's own is listed as cheapest only when the provider says why.
- Runs it themselves
- The provider runs the open weights on hardware of its own, so the price is its own rather than a resale.
- Resells
- The provider sells another company's endpoint, at a margin of its own or at the maker's price.
- Same as maker
- Sold by someone else at the price the maker charges.
- Maker's price
- What the lab that trained the model charges on its own API. Every other row is measured against it.
- Not ranked
- Below the maker's price on a closed model with nothing to account for it, or from a catalog we could not read reliably. Listed, and never a pick.
Similar models
Models from other labs that do what Step 3.5 Flash 2603 does, cheapest first. Each percentage is against Step 3.5 Flash 2603's cheapest price, $0.14 per M tokens.
Frequently asked
- Who sells Step 3.5 Flash 2603 cheapest?
- CommandCode, at $0.09 in and $0.30 out per million tokens, checked 31 Oct 2026. The provider runs the open weights on hardware of its own, so the price is its own rather than a resale.
- Is Step 3.5 Flash 2603 open weights?
- Yes. StepFun publishes the weights, so anyone may host Step 3.5 Flash 2603, which is why 16 providers sell it and why their prices differ so much.
- How much context does Step 3.5 Flash 2603 hold?
- 256,000 tokens in one call, which is about 256k, and it can call your own functions.
- How does Step 3.5 Flash 2603 compare with the rest of the market?
- At $0.16 per million tokens, StepFun's own price is 82% below the typical $0.88 across the 392 text models we track.
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