Quick:
openrouter
Active
Dense
StepFun: Step 3.7 Flash
Model Spec
openrouter:stepfun/step-3.7-flash
Modalities
Input
text
image
video
Output
text
Capabilities
Chat
Reasoning
Tools
Vision
Streaming
Pricing Components
| Component | Price | Conditions | Source |
|---|---|---|---|
| token.input | $0.20 / 1M tokens | Standard | — |
| token.output | $1.15 / 1M tokens | Standard | — |
| token.cache_read | $0.04 / 1M tokens | Standard | — |
Specifications
Architecture
Dense
Total Parameters
201.4B
Active Parameters
N/A
Minimum RAM
112.5 GB
Minimum VRAM
103.1 GB
Context Window
262,144 tokens
Max Output
256,000 tokens
Input Cost
$0.20/M
Output Cost
$1.15/M
History
Raw JSONTimeline is based on collected llm_db history snapshots and may be incomplete.
2026-08-04
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-08-03
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-08-02
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-08-01
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-31
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-30
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-29
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-28
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-27
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-26
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-25
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-24
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-23
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-22
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extra.benchmarks.design_arena
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[8 items] → [8 items]
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limits.context
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256000 → 262144
2026-07-21
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-20
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-19
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-18
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-17
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-16
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-16
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-15
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-14
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extra.benchmarks.artificial_analysis.coding_index
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37.3 → 39.6
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extra.benchmarks.artificial_analysis.intelligence_index
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29.7 → 30.3
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-07-02
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extra.benchmarks.design_arena
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[8 items] → [8 items]
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extra.description
(add)
— → Newer StepFun flash model for faster agents, coding, and multimodal prompts
2026-07-01
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-30
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-29
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-28
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-27
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-26
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-25
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-24
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-23
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-22
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-21
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extra.benchmarks.artificial_analysis.agentic_index
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59.5 → 21.5
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extra.benchmarks.artificial_analysis.coding_index
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37.1 → 37.3
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-19
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-18
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extra.benchmarks.design_arena
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[8 items] → [8 items]
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extra.reasoning
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— → {3 fields}
2026-06-17
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extra.benchmarks.artificial_analysis.intelligence_index
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42.6 → 29.7
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-16
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-15
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extra.benchmarks.design_arena
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[8 items] → [8 items]
2026-06-14
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extra.benchmarks.design_arena
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[7 items] → [8 items]
2026-06-13
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extra.benchmarks.design_arena
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[6 items] → [7 items]
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extra.hugging_face_id
(replace)
— → stepfun-ai/Step-3.7-Flash
2026-06-12
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extra.benchmarks
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— → {2 fields}
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extra.reasoning_options
(add)
— → [1 items]
2026-06-10
introduced
snapshots 64bf744 -> b7ca903 • generated 2026-08-05T03:31:59
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