Model
Step 3.5 Flash 2603
StepFun flash model for efficient multimodal reasoning, coding, and tool use
Compare providers (sorted by listed input price)
4 of 6 providers publish a price for Step 3.5 Flash 2603. The cheapest full-context option is StepFun (Global) at $0.1/$0.3 per M.
Best price history
Daily lowest published price across live providers. A lower line is better for the buyer.
- Best input /M
- $0.1unchanged
- Best output /M
- $0.3unchanged
- Provider coverage
- 6
- 6 at the start · 24 snapshots
Published best prices are unchanged.
24 daily snapshots collected from Aug 21, 2026 through Sep 14, 2026. A price chart will appear after the first real move.
Price badge
https://www.vaanalytics.in/badge/stepfun/step-3.5-flash-2603.svgLive SVG, regenerated on every hourly sync — paste it into a README to always show the current cheapest listed price. Updates when prices change; no build step needed on your side.
Recent changes
Changelog →- contextvia nano-gpt · Sep 3, 2026
- context: 256K → 262K tokens
- output: 256K → 66K tokens
- input: 256K → 262K tokens
Benchmarks
- Artificial Analysis Coding Index ↗(index)report ↗Marketplace34.6
- SciCode(percent correct)report ↗Marketplace38.5
- Terminal-Bench Hard ↗(success rate)report ↗Marketplace32.6
Scores a lab published about its own model are claims, not measurements. Rankings elsewhere on this site use independently measured scores only.
Weights
Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.