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DeepSeek-V4.1-Flash-1017 vs Gemini 3.8 Flash

DeepSeek-V4.1-Flash-1017 and Gemini 3.8 Flash are closely matched at 51.0 and 48.8 on the LLM Stats Score. DeepSeek-V4.1-Flash-1017 is 2.9x cheaper per token.

DeepSeek · Google · Updated for 2026

Which is better?

DeepSeek-V4.1-Flash-1017 and Gemini 3.8 Flash are closely matched on the overall LLM Stats Score at 51.0 and 48.8.

In the 2 individual benchmarks reported for both models, DeepSeek-V4.1-Flash-1017 wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, DeepSeek-V4.1-Flash-1017 is roughly 2.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose DeepSeek-V4.1-Flash-1017

  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • cost matters — it's about 2.9x cheaper per token
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

Choose Gemini 3.8 Flash

  • you want predictable pricing at $0.75/M input and $3.75/M output

At a glance

The differences that matter most.

DeepSeek-V4.1-Flash-1017
DeepSeek
Gemini 3.8 Flash
Google
Core performance indexes
LLM Stats Score
51.0
#15
48.8
#26
Reasoning
48.6
#18
46.4
#30
Coding
39.1
#15
34.0
#36
Agents
38.6
#9
33.8
#31
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$0.30 / M
$0.75 / M
Output price
$1.20 / M
$3.75 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
DeepSeek-V4.1-Flash-1017
Gemini 3.8 Flash
Vision
32.2#26
33.2#21
Tool use
30.9#7
22.9#50
Multimodal
35.0#14
34.2#17
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for DeepSeek-V4.1-Flash-1017 · 13 for Gemini 3.8 Flash

2 shared

DeepSeek-V4.1-Flash-1017 outperforms in 2 benchmarks (DeepSWE 1.1, Terminal-Bench 4.0), while Gemini 3.8 Flash is better at 0 benchmarks.

DeepSeek-V4.1-Flash-1017 significantly outperforms across most benchmarks.

Mon Oct 19 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-1017 costs less

For input processing, DeepSeek-V4.1-Flash-1017 ($0.30/1M tokens) is 2.5x cheaper than Gemini 3.8 Flash ($0.75/1M tokens).

For output processing, DeepSeek-V4.1-Flash-1017 ($1.20/1M tokens) is 3.1x cheaper than Gemini 3.8 Flash ($3.75/1M tokens).

In conclusion, Gemini 3.8 Flash is more expensive than DeepSeek-V4.1-Flash-1017.*

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

Lowest available price from all providers
Mon Oct 19 2026 • llm-stats.com
DeepSeek
DeepSeek-V4.1-Flash-1017
Input tokens$0.30
Output tokens$1.20
Best providerDeepSeek
Google
Gemini 3.8 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. DeepSeek-V4.1-Flash-1017 can generate longer responses up to 393,216 tokens, while Gemini 3.8 Flash is limited to 65,536 tokens.

DeepSeek
DeepSeek-V4.1-Flash-1017
Input1,048,576 tokens
Output393,216 tokens
Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both DeepSeek-V4.1-Flash-1017 and Gemini 3.8 Flash support multimodal inputs.

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

DeepSeek-V4.1-Flash-1017

Text
Images
Audio
Video

Gemini 3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4.1-Flash-1017 is licensed under MIT, while Gemini 3.8 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-1017

MIT

Open weights

Gemini 3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4.1-Flash-1017 was released on 2026-10-17, while Gemini 3.8 Flash was released on 2026-09-02.

DeepSeek-V4.1-Flash-1017 is 2 months newer than Gemini 3.8 Flash.

DeepSeek-V4.1-Flash-1017

Oct 17, 2026

0 days ago

1mo newer
Gemini 3.8 Flash

Sep 2, 2026

1 months ago

Knowledge Cutoff

When training data ends

Gemini 3.8 Flash has a documented knowledge cutoff of 2026-03-31, while DeepSeek-V4.1-Flash-1017'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 DeepSeek-V4.1-Flash-1017's cutoff date.

DeepSeek-V4.1-Flash-1017

—

Gemini 3.8 Flash

Mar 2026

Provider Availability

DeepSeek-V4.1-Flash-1017 is available from DeepSeek. Gemini 3.8 Flash is available from Google.

DeepSeek-V4.1-Flash-1017

deepseek logo
DeepSeek
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Gemini 3.8 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against DeepSeek-V4.1-Flash-1017 and Gemini 3.8 Flash side-by-side, then vote on the output you prefer.

DeepSeek-V4.1-Flash-1017
✓ Preferred
Gemini 3.8 Flash
Open in Playground

FAQ

Common questions about DeepSeek-V4.1-Flash-1017 vs Gemini 3.8 Flash.

Which is better, DeepSeek-V4.1-Flash-1017 or Gemini 3.8 Flash?

DeepSeek-V4.1-Flash-1017 and Gemini 3.8 Flash are closely matched on the LLM Stats Score at 51.0 and 48.8. DeepSeek-V4.1-Flash-1017 is made by DeepSeek and Gemini 3.8 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-1017 compare to Gemini 3.8 Flash in benchmarks?

DeepSeek-V4.1-Flash-1017 scores BabyVision: 92.5%, Chartography: 83.0%, DeepSWE 1.1: 77.0%, NL2Repo: 68.2%, AutomationBench: 60.5%. 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%.

Is DeepSeek-V4.1-Flash-1017 cheaper than Gemini 3.8 Flash?

DeepSeek-V4.1-Flash-1017 is 2.5x cheaper for input tokens. DeepSeek-V4.1-Flash-1017 costs $0.30/M input and $1.20/M output via deepseek. Gemini 3.8 Flash costs $0.75/M input and $3.75/M output via google.

What are the context window sizes for DeepSeek-V4.1-Flash-1017 and Gemini 3.8 Flash?

DeepSeek-V4.1-Flash-1017 supports 1.0M tokens and Gemini 3.8 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-1017 and Gemini 3.8 Flash?

Key differences include LLM Stats Score (51.0 vs 48.8), input pricing ($0.30 vs $0.75/M), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4.1-Flash-1017 and Gemini 3.8 Flash?

DeepSeek-V4.1-Flash-1017 is developed by DeepSeek and Gemini 3.8 Flash is developed by Google.

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