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Nemotron 3.5 Bolt (74B A9B 24GB) vs Step 3.7 Flash

Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash are closely matched at 29.6 and 29.7 on the LLM Stats Score.

NVIDIA · StepFun · Updated for 2026

Which is better?

Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash are closely matched on the overall LLM Stats Score at 29.6 and 29.7.

In the 1 individual benchmarks reported for both models, Step 3.7 Flash wins 1; this is a narrower head-to-head signal than the composite indexes.

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

Choose Nemotron 3.5 Bolt (74B A9B 24GB)

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

Choose Step 3.7 Flash

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

At a glance

The differences that matter most.

Nemotron 3.5 Bolt (74B A9B 24GB)
NVIDIA
Step 3.7 Flash
StepFun
Core performance indexes
LLM Stats Score
29.6
#146
29.7
#144
Reasoning
28.9
#146
29.8
#141
Coding
14.4
#154
19.0
#126
Agents
11.9
#127
13.1
#116
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
— / M
$0.20 / M
Output price
— / M
$1.15 / M
Context window
—
262,144

Individual benchmarks

10 reported for Nemotron 3.5 Bolt (74B A9B 24GB) · 4 for Step 3.7 Flash

1 shared

Nemotron 3.5 Bolt (74B A9B 24GB) outperforms in 0 benchmarks, while Step 3.7 Flash is better at 1 benchmark (Terminal-Bench 2.1).

Step 3.7 Flash significantly outperforms across most benchmarks.

Sun Oct 25 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

124.0B diff

Step 3.7 Flash has 124.0B more parameters than Nemotron 3.5 Bolt (74B A9B 24GB), making it 167.6% larger.

NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
74.0Bparameters
StepFun
Step 3.7 Flash
198.0Bparameters
74.0B
Nemotron 3.5 Bolt (74B A9B 24GB)
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).

NVIDIA
Nemotron 3.5 Bolt (74B A9B 24GB)
Input- tokens
Output- tokens
StepFun
Step 3.7 Flash
Input262,144 tokens
Output262,144 tokens
Sun Oct 25 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash support multimodal inputs.

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

Nemotron 3.5 Bolt (74B A9B 24GB)

Text
Images
Audio
Video

Step 3.7 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Nemotron 3.5 Bolt (74B A9B 24GB) is licensed under OpenMDW License v1.1, 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.

Nemotron 3.5 Bolt (74B A9B 24GB)

OpenMDW License v1.1

Open weights

Step 3.7 Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

Nemotron 3.5 Bolt (74B A9B 24GB) was released on 2026-10-15, while Step 3.7 Flash was released on 2026-06-10.

Nemotron 3.5 Bolt (74B A9B 24GB) is 4 months newer than Step 3.7 Flash.

Nemotron 3.5 Bolt (74B A9B 24GB)

Oct 15, 2026

1 weeks ago

4mo newer
Step 3.7 Flash

Jun 10, 2026

4 months ago

Knowledge Cutoff

When training data ends

Nemotron 3.5 Bolt (74B A9B 24GB) has a documented knowledge cutoff of 2026-05-01, while Step 3.7 Flash's cutoff date is not specified.

We can confirm Nemotron 3.5 Bolt (74B A9B 24GB)'s training data extends to 2026-05-01, but cannot make a direct comparison without Step 3.7 Flash's cutoff date.

Nemotron 3.5 Bolt (74B A9B 24GB)

May 2026

Step 3.7 Flash

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash side-by-side, then vote on the output you prefer.

Nemotron 3.5 Bolt (74B A9B 24GB)
✓ Preferred
Step 3.7 Flash
Open in Playground

FAQ

Common questions about Nemotron 3.5 Bolt (74B A9B 24GB) vs Step 3.7 Flash.

Which is better, Nemotron 3.5 Bolt (74B A9B 24GB) or Step 3.7 Flash?

Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash are closely matched on the LLM Stats Score at 29.6 and 29.7. Nemotron 3.5 Bolt (74B A9B 24GB) is made by NVIDIA 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 Nemotron 3.5 Bolt (74B A9B 24GB) compare to Step 3.7 Flash in benchmarks?

Nemotron 3.5 Bolt (74B A9B 24GB) scores PinchBench: 87.8%, GPQA: 86.4%, BrowseComp: 66.8%, AA-LCR: 64.1%, MCP Atlas: 52.2%. 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 Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash?

Nemotron 3.5 Bolt (74B A9B 24GB) 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 Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash?

Key differences include LLM Stats Score (29.6 vs 29.7), licensing (OpenMDW License v1.1 vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Nemotron 3.5 Bolt (74B A9B 24GB) and Step 3.7 Flash?

Nemotron 3.5 Bolt (74B A9B 24GB) is developed by NVIDIA and Step 3.7 Flash is developed by StepFun.

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