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DeepSeek-V4.1-Flash vs Gemini 3 Flash

DeepSeek-V4.1-Flash leads the LLM Stats Score 51.8 to 36.9. DeepSeek-V4.1-Flash is 3.4x cheaper per token.

DeepSeek · Google · Updated for 2026

Which is better?

DeepSeek-V4.1-Flash leads the overall LLM Stats Score 51.8 to 36.9, ranking #12 overall.

The models split the 2 individual benchmarks reported for both models evenly.

On price, DeepSeek-V4.1-Flash is roughly 3.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V4.1-Flash also accepts a larger context window (1,040,000 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 DeepSeek-V4.1-Flash

  • overall performance matters — it scores 51.8 and ranks #12 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • cost matters — it's about 3.4x cheaper per token
  • you process long inputs — it offers a 1,040,000 token context window
  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

Choose Gemini 3 Flash

  • you want predictable pricing at $0.50/M input and $3.00/M output

At a glance

The differences that matter most.

DeepSeek-V4.1-Flash
DeepSeek
Gemini 3 Flash
Google
Core performance indexes
LLM Stats Score
51.8
#12
36.9
#72
Reasoning
48.9
#17
37.6
#64
Coding
44.4
#5
22.4
#80
Agents
41.3
#4
17.9
#71
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$0.22 / M
$0.50 / M
Output price
$0.66 / M
$3.00 / M
Context window
1,040,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
DeepSeek-V4.1-Flash
Gemini 3 Flash
Math
35.2#43
37.0#32
Vision
29.5#31
25.5#44
Tool use
35.1#2
15.9#86
Multimodal
34.3#13
27.2#40
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

20 reported for DeepSeek-V4.1-Flash · 24 for Gemini 3 Flash

2 shared

DeepSeek-V4.1-Flash outperforms in 1 benchmarks (GPQA), while Gemini 3 Flash is better at 1 benchmark (Humanity's Last Exam).

Both models are evenly matched across the benchmarks.

Sun Sep 13 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

DeepSeek-V4.1-Flash costs less

For input processing, DeepSeek-V4.1-Flash ($0.22/1M tokens) is 2.3x cheaper than Gemini 3 Flash ($0.50/1M tokens).

For output processing, DeepSeek-V4.1-Flash ($0.66/1M tokens) is 4.5x cheaper than Gemini 3 Flash ($3.00/1M tokens).

In conclusion, Gemini 3 Flash is more expensive than DeepSeek-V4.1-Flash.*

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

Lowest available price from all providers
Sun Sep 13 2026 • llm-stats.com
DeepSeek
DeepSeek-V4.1-Flash
Input tokens$0.22
Output tokens$0.66
Best providerFireworks
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

DeepSeek-V4.1-Flash accepts 1,040,000 input tokens compared to Gemini 3 Flash's 1,000,000 tokens. DeepSeek-V4.1-Flash can generate longer responses up to 393,216 tokens, while Gemini 3 Flash is limited to 65,536 tokens.

DeepSeek
DeepSeek-V4.1-Flash
Input1,040,000 tokens
Output393,216 tokens
Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Sun Sep 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both DeepSeek-V4.1-Flash and Gemini 3 Flash support multimodal inputs.

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

DeepSeek-V4.1-Flash

Text
Images
Audio
Video

Gemini 3 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4.1-Flash is licensed under MIT, while Gemini 3 Flash uses a proprietary license.

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

DeepSeek-V4.1-Flash

MIT

Open weights

Gemini 3 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4.1-Flash was released on 2026-09-10, while Gemini 3 Flash was released on 2025-12-17.

DeepSeek-V4.1-Flash is 9 months newer than Gemini 3 Flash.

DeepSeek-V4.1-Flash

Sep 10, 2026

2 days ago

8mo newer
Gemini 3 Flash

Dec 17, 2025

8 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while DeepSeek-V4.1-Flash's cutoff date is not specified.

We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without DeepSeek-V4.1-Flash's cutoff date.

DeepSeek-V4.1-Flash

—

Gemini 3 Flash

Jan 2025

Provider Availability

DeepSeek-V4.1-Flash is available from Fireworks, DeepInfra, DeepSeek, Novita. Gemini 3 Flash is available from Google.

DeepSeek-V4.1-Flash

fireworks logo
Fireworks
Input Price:Input: $0.22/1MOutput Price:Output: $0.66/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
deepseek logo
DeepSeek
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
novita logo
Novita
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M
* 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 DeepSeek-V4.1-Flash and Gemini 3 Flash side-by-side, then vote on the output you prefer.

DeepSeek-V4.1-Flash
✓ Preferred
Gemini 3 Flash
Open in Playground

FAQ

Common questions about DeepSeek-V4.1-Flash vs Gemini 3 Flash.

Which is better, DeepSeek-V4.1-Flash or Gemini 3 Flash?

DeepSeek-V4.1-Flash leads the LLM Stats Score 51.8 to 36.9. DeepSeek-V4.1-Flash is made by DeepSeek and Gemini 3 Flash is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-V4.1-Flash compare to Gemini 3 Flash in benchmarks?

DeepSeek-V4.1-Flash scores CodeForces: 100.0%, GPQA: 90.9%, Terminal-Bench 2.1: 90.6%, BabyVision: 89.6%, CyberGym: 88.1%. Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%.

Is DeepSeek-V4.1-Flash cheaper than Gemini 3 Flash?

DeepSeek-V4.1-Flash is 2.3x cheaper for input tokens. DeepSeek-V4.1-Flash costs $0.22/M input and $0.66/M output via fireworks. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google.

What are the context window sizes for DeepSeek-V4.1-Flash and Gemini 3 Flash?

DeepSeek-V4.1-Flash supports 1.0M tokens and Gemini 3 Flash supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4.1-Flash and Gemini 3 Flash?

Key differences include LLM Stats Score (51.8 vs 36.9), context window (1.0M vs 1.0M), input pricing ($0.22 vs $0.50/M), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4.1-Flash and Gemini 3 Flash?

DeepSeek-V4.1-Flash is developed by DeepSeek and Gemini 3 Flash is developed by Google.

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