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DeepSeek-V4.1-Flash vs Mistral Large 4

DeepSeek-V4.1-Flash and Mistral Large 4 are closely matched at 50.0 and 45.8 on the LLM Stats Score. DeepSeek-V4.1-Flash is 3.1x cheaper per token.

DeepSeek · Mistral AI · Updated for 2026

Which is better?

DeepSeek-V4.1-Flash and Mistral Large 4 are closely matched on the overall LLM Stats Score at 50.0 and 45.8.

In the 4 individual benchmarks reported for both models, DeepSeek-V4.1-Flash wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, DeepSeek-V4.1-Flash is roughly 3.1x 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

  • you value its reported benchmark strengths — it wins 3 of 4 exact shared results
  • cost matters — it's about 3.1x cheaper per token
  • you process long inputs — it offers a 1,040,000 token context window
  • you need open weights you can self-host or fine-tune

Choose Mistral Large 4

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

At a glance

The differences that matter most.

Core performance indexes
50.0
#19
45.8
#39
48.0
#22
43.9
#48
40.5
#10
35.0
#31
38.3
#11
33.8
#34
Cost, coverage & limits
Benchmark wins
3 of 4
1 of 4
Input price
$0.22 / M
$0.68 / M
Output price
$0.66 / M
$2.09 / 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
Mistral Large 4
30.6#37
1.4#193
32.3#5
28.1#23
32.3#24
2.0#168
24.5#4
14.6#14
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

20 reported for DeepSeek-V4.1-Flash · 18 for Mistral Large 4

4 shared

DeepSeek-V4.1-Flash outperforms in 3 benchmarks (CyberGym, DeepSWE 1.1, Terminal-Bench 4.0), while Mistral Large 4 is better at 1 benchmark (AutomationBench).

DeepSeek-V4.1-Flash shows notably better performance in the majority of benchmarks.

Thu Oct 22 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 3.1x cheaper than Mistral Large 4 ($0.68/1M tokens).

For output processing, DeepSeek-V4.1-Flash ($0.66/1M tokens) is 3.2x cheaper than Mistral Large 4 ($2.09/1M tokens).

In conclusion, Mistral Large 4 is more expensive than DeepSeek-V4.1-Flash.*

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

Lowest available price from all providers
Thu Oct 22 2026 • llm-stats.com
DeepSeek
DeepSeek-V4.1-Flash
Input tokens$0.22
Output tokens$0.66
Best providerFireworks
Mistral AI
Mistral Large 4
Input tokens$0.68
Output tokens$2.09
Best providerMistral
Notice missing or incorrect data?

Model Size

Parameter count comparison

286.8B diff

Mistral Large 4 has 286.8B more parameters than DeepSeek-V4.1-Flash, making it 37.6% larger.

DeepSeek
DeepSeek-V4.1-Flash
763.2Bparameters
Mistral AI
Mistral Large 4
1.1Tparameters
763.2B
DeepSeek-V4.1-Flash
1050.0B
Mistral Large 4

Context Window

Maximum input and output token capacity

DeepSeek-V4.1-Flash accepts 1,040,000 input tokens compared to Mistral Large 4's 1,000,000 tokens. Only DeepSeek-V4.1-Flash specifies output context (393,216 tokens).

DeepSeek
DeepSeek-V4.1-Flash
Input1,040,000 tokens
Output393,216 tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both DeepSeek-V4.1-Flash and Mistral Large 4 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

Mistral Large 4

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4.1-Flash is licensed under MIT, while Mistral Large 4 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

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4.1-Flash was released on 2026-09-10, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 1 month newer than DeepSeek-V4.1-Flash.

DeepSeek-V4.1-Flash

Sep 10, 2026

1 months ago

Mistral Large 4

Oct 6, 2026

2 weeks ago

3w newer

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

Provider Availability

DeepSeek-V4.1-Flash is available from Fireworks, DeepInfra, Novita. Mistral Large 4 is available from Mistral AI.

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
novita logo
Novita
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Mistral Large 4

mistral logo
Mistral
Input Price:Input: $0.68/1MOutput Price:Output: $2.09/1M
* 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 and Mistral Large 4 side-by-side, then vote on the output you prefer.

DeepSeek-V4.1-Flash
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about DeepSeek-V4.1-Flash vs Mistral Large 4.

Which is better, DeepSeek-V4.1-Flash or Mistral Large 4?

DeepSeek-V4.1-Flash and Mistral Large 4 are closely matched on the LLM Stats Score at 50.0 and 45.8. DeepSeek-V4.1-Flash is made by DeepSeek and Mistral Large 4 is made by Mistral AI. 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 Mistral Large 4 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%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

Is DeepSeek-V4.1-Flash cheaper than Mistral Large 4?

DeepSeek-V4.1-Flash is 3.1x cheaper for input tokens. DeepSeek-V4.1-Flash costs $0.22/M input and $0.66/M output via fireworks. Mistral Large 4 costs $0.68/M input and $2.09/M output via mistral.

What are the context window sizes for DeepSeek-V4.1-Flash and Mistral Large 4?

DeepSeek-V4.1-Flash supports 1.0M tokens and Mistral Large 4 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 Mistral Large 4?

Key differences include LLM Stats Score (50.0 vs 45.8), context window (1.0M vs 1.0M), input pricing ($0.22 vs $0.68/M), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4.1-Flash and Mistral Large 4?

DeepSeek-V4.1-Flash is developed by DeepSeek and Mistral Large 4 is developed by Mistral AI.