When was Step 3.7 Flash released?

Step 3.7 Flash was released on June 10, 2026 by StepFun. This is the official Step 3.7 Flash release date tracked on LLM Stats.

How much does Step 3.7 Flash cost?

Step 3.7 Flash pricing starts at $0.20 per million input tokens, $0.04 per million cached input tokens, $1.15 per million output tokens via DeepInfra, the lowest price among tracked providers.

How big is Step 3.7 Flash?

Step 3.7 Flash has 198 billion parameters. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created Step 3.7 Flash?

Step 3.7 Flash was created by StepFun.

What is the license for Step 3.7 Flash?

Step 3.7 Flash is released under the Apache 2.0 license. This is an open-source / open-weight license that permits self-hosting.

Is Step 3.7 Flash multimodal?

Yes, Step 3.7 Flash is multimodal and can accept both text and images as input.

Where can I use Step 3.7 Flash?

Step 3.7 Flash is available through 1 provider including DeepInfra.

What models should I compare Step 3.7 Flash against?

Common Step 3.7 Flash comparisons include Step 3.7 Flash vs Solar Pro 4, Step 3.7 Flash vs MiMo-V2.5, Step 3.7 Flash vs Ling 3.0 Flash. Compare them side by side for benchmark scores, pricing, context window, latency and provider availability.

Step 3.7 Flash Benchmarks, Pricing & Context Window

Name: Step 3.7 Flash
Author: StepFun

Step 3.7 Flash: Benchmarks, Pricing & Context Window

Step 3.7 Flash is a language model from StepFun, released in June 2026, with multimodal input, a 262K-token context window, and pricing from $0.200/M input, $0.040/M cached input, $1.15/M output.

Step 3.7 Flash is an open-source multimodal reasoning model by StepFun with 198B total parameters (11B active) using Mixture of Experts. It accepts text and image inputs and features a 256K context window, selectable reasoning effort,

Input

TextImageVideo

Output

Text

Step 3.7 Flash benchmarks

Capability tiers

Standing within each category, adjusted for leaderboard depth.

Real tasks performance

High-confidence performance for Step 3.7 Flash across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.

Performance by conversation depth

How Step 3.7 Flash holds up as conversations get longer.

Quality Tracker

Step 3.7 Flash Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

llm-stats.com - Sun Sep 20 2026

Notice missing or incorrect data?

Step 3.7 Flash pricing

Providers

Step 3.7 Flash starts at $0.200 per million input tokens and $1.15 per million output tokens via DeepInfra. Reused prompt prefixes cost $0.0400 per million cached input tokens.

Provider	Input $/M	Cached input $/M	Output $/M	Context in / out	TTFT p95 s	Output p5 c/s	Modalities in / out
DeepInfra	$0.200	$0.0400	$1.15	262.1K/262.1K	—	—	/

Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.

Step 3.7 Flash model size

Step 3.7 Flash has 198 billion parameters. See how it compares to other models in the same parameter range.

Parameters

198BMoE

Very large (80–200B)

198B

1B7B70B405B

Step 3.7 Flash context window

Input and output token limits for Step 3.7 Flash, plus how it ranks on long-context understanding.

InputOutput

262Ktokens

≈ 394 pages of text

262K

8K128K1M

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huggle

Step 3.7 Flashin Huggle

Make it with
Step 3.7 Flash.

Step 3.7 Flash latency

Step 3.7 Flash time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.

Step 3.7 Flash examples

Recent arena outputs from Step 3.7 Flash, picked from the highest-ranked matchups.

Step 3.7 Flash license

Step 3.7 Flash is released under the Apache 2.0 license, which permits commercial use, has 198.0B parameters.

License: Apache 2.0; Commercial use allowed
Parameters: 198.0B

Apache License 2.0 - allows commercial use

Step 3.7 Flash resources

Official sources for Step 3.7 Flash: provider documentation, source repository, model weights.

Step 3.7 Flash vs other models

The most-compared alternatives to Step 3.7 Flash are Solar Pro 4, MiMo-V2.5, Ling 3.0 Flash. Open any pair side-by-side for benchmarks, pricing, context, and latency.