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LFM3-VL-2B vs Step 3.7 Flash

Step 3.7 Flash leads the LLM Stats Score 29.6 to 15.5.

Liquid AI · StepFun · Updated for 2026

Which is better?

Step 3.7 Flash leads the overall LLM Stats Score 29.6 to 15.5, ranking #153 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose LFM3-VL-2B

  • you want the most recent training data — it shipped Oct 2026

Choose Step 3.7 Flash

  • overall performance matters — it scores 29.6 and ranks #153 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes

At a glance

The differences that matter most.

LFM3-VL-2B
Liquid AI
Step 3.7 Flash
StepFun
Core performance indexes
LLM Stats Score
15.5
#265
29.6
#153
Reasoning
16.2
#252
29.6
#151
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.20 / M
Output price
— / M
$1.15 / M
Context window
—
262,144

Individual benchmarks

41 reported for LFM3-VL-2B · 4 for Step 3.7 Flash

No common benchmarks found

LFM3-VL-2B and Step 3.7 Flashdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

196.1B diff

Step 3.7 Flash has 196.1B more parameters than LFM3-VL-2B, making it 10212.5% larger.

Liquid AI
LFM3-VL-2B
1.9Bparameters
StepFun
Step 3.7 Flash
198.0Bparameters
1.9B
LFM3-VL-2B
198.0B
Step 3.7 Flash

Context Window

Maximum input and output token capacity

Only Step 3.7 Flash specifies input context (262,144 tokens). Only Step 3.7 Flash specifies output context (262,144 tokens).

Liquid AI
LFM3-VL-2B
Input- tokens
Output- tokens
StepFun
Step 3.7 Flash
Input262,144 tokens
Output262,144 tokens
Fri Nov 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both LFM3-VL-2B and Step 3.7 Flash support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

LFM3-VL-2B

Text
Images
Audio
Video

Step 3.7 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

LFM3-VL-2B is licensed under LFM Open License v1.0, while Step 3.7 Flash uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

LFM3-VL-2B

LFM Open License v1.0

Open weights

Step 3.7 Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

LFM3-VL-2B was released on 2026-10-27, while Step 3.7 Flash was released on 2026-06-10.

LFM3-VL-2B is 5 months newer than Step 3.7 Flash.

LFM3-VL-2B

Oct 27, 2026

1 weeks ago

4mo newer
Step 3.7 Flash

Jun 10, 2026

4 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against LFM3-VL-2B and Step 3.7 Flash side-by-side, then vote on the output you prefer.

LFM3-VL-2B
✓ Preferred
Step 3.7 Flash
Open in Playground

FAQ

Common questions about LFM3-VL-2B vs Step 3.7 Flash.

Which is better, LFM3-VL-2B or Step 3.7 Flash?

Step 3.7 Flash leads the LLM Stats Score 29.6 to 15.5. LFM3-VL-2B is made by Liquid AI and Step 3.7 Flash is made by StepFun. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does LFM3-VL-2B compare to Step 3.7 Flash in benchmarks?

LFM3-VL-2B scores DocVQA: 96.7%, CountBench: 93.0%, ChartQA: 92.7%, RefCOCO-avg: 90.5%, POPE: 88.7%. Step 3.7 Flash scores Terminal-Bench 2.1: 59.5%, SWE-Bench Pro: 56.3%, Humanity's Last Exam (with tools, text-only): 47.2%, GDPval: 45.8%.

What are the context window sizes for LFM3-VL-2B and Step 3.7 Flash?

LFM3-VL-2B supports an unknown number of tokens and Step 3.7 Flash supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between LFM3-VL-2B and Step 3.7 Flash?

Key differences include LLM Stats Score (15.5 vs 29.6), licensing (LFM Open License v1.0 vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes LFM3-VL-2B and Step 3.7 Flash?

LFM3-VL-2B is developed by Liquid AI and Step 3.7 Flash is developed by StepFun.

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