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Gemini 3.8 Flash Cyber vs Step-3.5-Flash

Gemini 3.8 Flash Cyber leads the LLM Stats Score 42.3 to 37.3.

Google · StepFun · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber leads the overall LLM Stats Score 42.3 to 37.3, ranking #46 overall.

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

Choose Gemini 3.8 Flash Cyber

  • overall performance matters — it scores 42.3 and ranks #46 on LLM Stats
  • your work emphasizes coding and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Step-3.5-Flash

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 3.8 Flash Cyber
Google
Step-3.5-Flash
StepFun
Core performance indexes
LLM Stats Score
42.3
#46
37.3
#67
Coding
35.7
#25
20.5
#94
Agents
31.5
#28
15.5
#83
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.10 / M
Output price
— / M
$0.40 / M
Context window
—
65,536

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 7 for Step-3.5-Flash

No common benchmarks found

Gemini 3.8 Flash Cyber and Step-3.5-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

Context Window

Maximum input and output token capacity

Only Step-3.5-Flash specifies input context (65,536 tokens). Only Step-3.5-Flash specifies output context (8,192 tokens).

Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
StepFun
Step-3.5-Flash
Input65,536 tokens
Output8,192 tokens
Tue Sep 08 2026 • llm-stats.com

License

Usage and distribution terms

Gemini 3.8 Flash Cyber is licensed under a proprietary license, while Step-3.5-Flash uses Apache 2.0.

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

Gemini 3.8 Flash Cyber

Proprietary

Closed source

Step-3.5-Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while Step-3.5-Flash was released on 2026-02-02.

Gemini 3.8 Flash Cyber is 7 months newer than Step-3.5-Flash.

Gemini 3.8 Flash Cyber

Sep 2, 2026

6 days ago

7mo newer
Step-3.5-Flash

Feb 2, 2026

7 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?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash Cyber and Step-3.5-Flash side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
Step-3.5-Flash
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs Step-3.5-Flash.

Which is better, Gemini 3.8 Flash Cyber or Step-3.5-Flash?

Gemini 3.8 Flash Cyber leads the LLM Stats Score 42.3 to 37.3. Gemini 3.8 Flash Cyber is made by Google and Step-3.5-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 Gemini 3.8 Flash Cyber compare to Step-3.5-Flash in benchmarks?

Gemini 3.8 Flash Cyber scores Gray Swan IPI Benchmark: 94.0%, CyberGym: 86.2%, Google Real-world Vulnerability Discovery: 71.0%, CWE-Bench: 47.2%. Step-3.5-Flash scores AIME 2025: 97.3%, Tau-bench: 88.2%, LiveCodeBench v6: 86.4%, IMO-AnswerBench: 85.4%, SWE-Bench Verified: 74.4%.

What are the context window sizes for Gemini 3.8 Flash Cyber and Step-3.5-Flash?

Gemini 3.8 Flash Cyber supports an unknown number of tokens and Step-3.5-Flash supports 66K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.8 Flash Cyber and Step-3.5-Flash?

Key differences include LLM Stats Score (42.3 vs 37.3), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash Cyber and Step-3.5-Flash?

Gemini 3.8 Flash Cyber is developed by Google and Step-3.5-Flash is developed by StepFun.

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