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Models / StepFun

Step 3.7 Flash

Step · Released 2026-06-01

StepFun's high-efficiency multimodal Flash model, evaluated by Artificial Analysis on 1 Jun. Public catalogs describe image/video input and a 256K context window.

Efficiency-first multimodal model for routing, visual extraction, and cheap agent steps before escalating to a larger model.

Composite51
Context256K
Input / 1M—
Output / 1M—
Knowledge cutoffopen
Output speed160 t/s
Statuslightweight

Family profile

Best published score in each covered benchmark family.

60/100 avg
Reasoning
81
Coding
44
Agentic
39
Long context
74

4 tested benchmark families

Benchmark placements

Where Step 3.7 Flash places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

BenchmarkFamilyRankScoreSourceDate
AA output speedPerformance#28/ 195Artificial Analysis2026-10-12
SciCodeCoding#71/ 9744Artificial Analysis2026-09-28
AA-LCRLong context#99/ 18474Artificial Analysis2026-09-28
Terminal-BenchAgentic#102/ 16739Artificial Analysis2026-09-28
Humanity's Last ExamReasoning#126/ 18621Artificial Analysis2026-09-28
GPQA DiamondReasoning#137/ 18481Artificial Analysis2026-09-28
Family context

The three highest-scoring models with pages in each capability family. Where Step 3.7 Flash shows up, it's highlighted.

ReasoningStep 3.7 Flash · 81
  1. 1
    GPT-6 Astra
    96
  2. 2
    Claude Mythos Preview
    95
  3. 3
    Gemini 3.7 Flash
    95
Long contextStep 3.7 Flash · 74
  1. 1
    Kimi K3
    89
  2. 2
    MiMo-V2.6-Pro
    86
  3. 3
    Claude Fable 5.1
    85
Newest receipts

Benchmark rows added to the public ledger for Step 3.7 Flash in the last 120 days. Older rows live in the full table below.

6 recent
BenchmarkFamilyScoreSourceDays ago
AA output speedPerformance160 t/sArtificial Analysis10
AA-LCRLong context73.67%Artificial Analysis24
GPQA DiamondReasoning80.9%Artificial Analysis24
Humanity's Last ExamReasoning21.4%Artificial Analysis24
SciCodeCoding43.9%Artificial Analysis24
Terminal-BenchAgentic39.33%Artificial Analysis24
Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

Reasoning81
Coding44
Agentic39
Long context74
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.

AnthropicOpenAIGoogleAlibabaMetaZhipuxAIDeepSeekMiniMaxXiaomiMoonshotOtherMeituanMistralNVIDIACohere

Full benchmark ledger

Every catalog benchmark for Step 3.7 Flash. Scores link to the original source; gaps mean no public row exists yet.

6 sourced rows

6 of 13 catalog benchmarks have a sourced row for Step 3.7 Flash.

Reasoning

Coding

Agentic

Long context

Performance

Sources

Questions this model page answers

Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.

What is Step 3.7 Flash?

Step 3.7 Flash is a StepFun model: StepFun's high-efficiency multimodal Flash model, evaluated by Artificial Analysis on 1 Jun. Public catalogs describe image/video input and a 256K context window.

What is Step 3.7 Flash for?

Efficiency-first multimodal model for routing, visual extraction, and cheap agent steps before escalating to a larger model.

What does Step 3.7 Flash cost?

Step 3.7 Flash lists — input and — output per 1M tokens. Pricing last checked 2026-06-14.

How large is the Step 3.7 Flash context window?

Step 3.7 Flash publishes a 256K token context window.

What is the VerdictPal status of Step 3.7 Flash?

Step 3.7 Flash carries Lightweight status on the model atlas.

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