--- title: "StepFun: Step 3.7 Flash — unrated, priced in this catalogue · Undominated.ai" canonical: https://undominated.ai/models/stepfun__step-3.7-flash/ description: "StepFun: Step 3.7 Flash: $0.200/M in, $1.15/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero." --- # StepFun: Step 3.7 Flash — unrated, priced in this catalogue · Undominated.ai > StepFun: Step 3.7 Flash: $0.200/M in, $1.15/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero. [Check base rates for this workload](/check/stepfun__step-3.7-flash/) [Cheaper alternatives](/alternatives/) [Family](/families/stepfun/) [Compare models](https://undominated.ai/compare/?models=stepfun%2Fstep-3.7-flash) Comparison context Choose up to three standard models in Compare. Requirements and prompt length apply in Compare. This page keeps its stated price basis and workload controls. MODEL PROOF # Step 3.7 Flash StepFun · 28 May 2026 Balanced Summarise Chat Code gen Agentic NOT INDEPENDENTLY RATED ## No independent LMArena score is published for this model. **$0.438** / 1M tokens Balanced · 3 tokens in per 1 out Evidence as of 06 Oct 2026 [openrouter/models](https://openrouter.ai/api/v1/models) Independent LMArena score Not independently rated Context window 262.14K Maximum output 230.4K Input modalities text, image, video Output modalities text Published input price $0.200 / 1M tokens Published output price $1.15 / 1M tokens Pricing kind fixed Inspect [complete billing conditions](#billing-details) and endpoint terms below. Price from StepFun: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate. Every price dimension · USD per million tokens | Input | $0.200 /M | | --- | --- | | Output | $1.15 /M | | Cached input | $0.040 /M | | Cache write | Unknown /M | | Cache write 1h | Unknown /M | | Reasoning | Unknown /M | ### Who sells it The same weights, different shops. Cheapest is not like-for-like when serving precision differs. 2 provider offers · rates, limits and conditions Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test. | Seller | Input | Output | Precision | Uptime (1d) | | --- | --- | --- | --- | --- | | Seller Novita novita/fp8 Endpoint terms Cached input /M $0.040 Context limit 262,144 tokens Output limit 256,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 99.87% | Input $0.200 | Output $1.15 | Precision fp8 | Uptime (1d) 99.75% | | Seller StepFun stepfun/fp8 Endpoint terms Cached input /M $0.040 Context limit 256,000 tokens Output limit 230,400 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $0.200 | Output $1.15 | Precision fp8 | Uptime (1d) 99.65% | ### Independent scores No independent benchmark has measured this model. Unrated is not a score of zero. #### Best rankings by task - ASCII art #39 1162 - Code categories #57 1185 - Websites #58 1201 - UI components #59 1185 - Game development #63 1171 - Data visualisation #63 1178 - SVG #64 1080 - 3D #69 1137 Per-task Elo and rank from [Design Arena](https://designarena.ai), via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list. ### Capability | Context window | 262K | | --- | --- | | Max output | 230K | | Input modes | text, image, video | | Tool use | yes | | Reasoning | always on | | Open weights | Unknown | ### Provenance | Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) | | --- | --- | | Fetched | 2026-10-06 | | Quality data | unrated | Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters... ## Questions this page answers What does Step 3.7 Flash cost? $0.200/M in, $1.15/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Does Step 3.7 Flash have an independent quality score? Step 3.7 Flash has no independent quality score in this catalogue. Unrated is not a score of zero. What beats Step 3.7 Flash? Step 3.7 Flash has no independent quality score. Unrated is not a score of zero. Does this page use Artificial Analysis scores for Step 3.7 Flash? No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated. Does a missing score mean Step 3.7 Flash scored zero? Unrated is not a score of zero. MODEL MONUMENT ## Save or share this proof Download proof card · 1200 × 630 Preview and more sharing options StepFun: Step 3.7 Flash. Balanced workload. Not independently rated. Evidence as of 06 Oct 2026. Copy model link Download square card · 1080 × 1080 Copy landscape image Share landscape card ## Related No independent quality score, so there is no dominator to name. Unrated is not a clean bill of health. - Side by side [Step 3.5 Flash](/compare/stepfun__step-3.5-flash--vs--stepfun__step-3.7-flash/) - Same vendor [Step 3.5 Flash](/models/stepfun__step-3.5-flash/) - StepFun models [StepFun](/providers/stepfun/) - Where this model appears [effort](/effort/) ## Badge The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not. Markdown Copy [![Step 3.7 Flash — Undominated.ai dominance verdict](https://undominated.ai/badge/stepfun__step-3.7-flash.svg)](https://undominated.ai/models/stepfun__step-3.7-flash/) HTML Copy Step 3.7 Flash — Undominated.ai dominance verdict Direct file: [https://undominated.ai/badge/stepfun__step-3.7-flash.svg](https://undominated.ai/badge/stepfun__step-3.7-flash.svg) — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy. ## Continue your investigation - [Explore model families](/families/) - [Compare a shortlist](/compare/) - [Check a model](/check/) - [Understand the evidence](/methodology/)