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Gemini 3.8 Flash vs Step 3.7 Flash

Gemini 3.8 Flash leads the LLM Stats Score 50.5 to 30.2. Step 3.7 Flash is 3.4x cheaper per token.

Google · StepFun · Updated for 2026

Which is better?

Gemini 3.8 Flash leads the overall LLM Stats Score 50.5 to 30.2, ranking #17 overall.

In the 1 individual benchmarks reported for both models, Gemini 3.8 Flash wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Step 3.7 Flash is roughly 3.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.8 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Gemini 3.8 Flash

  • overall performance matters — it scores 50.5 and ranks #17 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Step 3.7 Flash

  • cost matters — it's about 3.4x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
50.5
#17
30.2
#120
46.9
#25
30.2
#117
38.6
#15
19.9
#99
35.6
#18
13.5
#92
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.75 / M
$0.20 / M
Output price
$3.75 / M
$1.15 / M
Context window
1,048,576
262,144

Individual benchmarks

13 reported for Gemini 3.8 Flash · 4 for Step 3.7 Flash

1 shared

Gemini 3.8 Flash outperforms in 1 benchmarks (Terminal-Bench 2.1), while Step 3.7 Flash is better at 0 benchmarks.

Gemini 3.8 Flash significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Step 3.7 Flash costs less

For input processing, Gemini 3.8 Flash ($0.75/1M tokens) is 3.8x more expensive than Step 3.7 Flash ($0.20/1M tokens).

For output processing, Gemini 3.8 Flash ($3.75/1M tokens) is 3.3x more expensive than Step 3.7 Flash ($1.15/1M tokens).

In conclusion, Gemini 3.8 Flash is more expensive than Step 3.7 Flash.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Google
Gemini 3.8 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
StepFun
Step 3.7 Flash
Input tokens$0.20
Output tokens$1.15
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Gemini 3.8 Flash accepts 1,048,576 input tokens compared to Step 3.7 Flash's 262,144 tokens. Step 3.7 Flash can generate longer responses up to 262,144 tokens, while Gemini 3.8 Flash is limited to 65,536 tokens.

Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
StepFun
Step 3.7 Flash
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 3.8 Flash and Step 3.7 Flash support multimodal inputs.

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

Gemini 3.8 Flash

Text
Images
Audio
Video

Step 3.7 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.8 Flash is licensed under a proprietary license, 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.

Gemini 3.8 Flash

Proprietary

Closed source

Step 3.7 Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 3.8 Flash was released on 2026-09-02, while Step 3.7 Flash was released on 2026-06-10.

Gemini 3.8 Flash is 3 months newer than Step 3.7 Flash.

Gemini 3.8 Flash

Sep 2, 2026

2 weeks ago

2mo newer
Step 3.7 Flash

Jun 10, 2026

3 months ago

Knowledge Cutoff

When training data ends

Gemini 3.8 Flash has a documented knowledge cutoff of 2026-03-31, while Step 3.7 Flash's cutoff date is not specified.

We can confirm Gemini 3.8 Flash's training data extends to 2026-03-31, but cannot make a direct comparison without Step 3.7 Flash's cutoff date.

Gemini 3.8 Flash

Mar 2026

Step 3.7 Flash

Provider Availability

Gemini 3.8 Flash is available from Google. Step 3.7 Flash is available from DeepInfra.

Gemini 3.8 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M

Step 3.7 Flash

deepinfra logo
Deepinfra
Input Price:Input: $0.20/1MOutput Price:Output: $1.15/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash and Step 3.7 Flash side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash
✓ Preferred
Step 3.7 Flash
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash vs Step 3.7 Flash.

Which is better, Gemini 3.8 Flash or Step 3.7 Flash?

Gemini 3.8 Flash leads the LLM Stats Score 50.5 to 30.2. Gemini 3.8 Flash is made by Google 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 Gemini 3.8 Flash compare to Step 3.7 Flash in benchmarks?

Gemini 3.8 Flash scores Terminal-Bench 2.1: 89.4%, LVBench: 87.1%, CharXiv-R: 86.2%, LABBench2: 86.2%, DeepSWE 1.1: 73.7%. 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%.

Is Gemini 3.8 Flash cheaper than Step 3.7 Flash?

Step 3.7 Flash is 3.8x cheaper for input tokens. Gemini 3.8 Flash costs $0.75/M input and $3.75/M output via google. Step 3.7 Flash costs $0.20/M input and $1.15/M output via deepinfra.

What are the context window sizes for Gemini 3.8 Flash and Step 3.7 Flash?

Gemini 3.8 Flash supports 1.0M 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 Gemini 3.8 Flash and Step 3.7 Flash?

Key differences include LLM Stats Score (50.5 vs 30.2), context window (1.0M vs 262K), input pricing ($0.75 vs $0.20/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash and Step 3.7 Flash?

Gemini 3.8 Flash is developed by Google and Step 3.7 Flash is developed by StepFun.