AI Models · Open-Source vs Open-Source

DeepSeek V4.1 Flash 1017 Open vs Mistral Large 4 Open

DeepSeek V4.1 Flash 1017 vs Mistral Large 4 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

DeepSeek V4.1 Flash 1017OpenDeepSeek
$0.15 /M input
$0.6 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1M tokens
MultimodalYes
Self-hostYes
Mistral Large 4OpenMistral AI
$1.36 /M input
$4.18 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1M tokens
MultimodalYes
Self-hostYes
Choose DeepSeek V4.1 Flash 1017 for the lower output price ($0.6/M vs $4.18/M). It also gives you the larger 1M context window.

DeepSeek V4.1 Flash 1017 vs Mistral Large 4 specs

SpecDeepSeek V4.1 Flash 1017Mistral Large 4Winner
MakerDeepSeekMistral AI–
TypeOpen-weightOpen-weight–
Context window1M tokens1M tokens= Tie
Input price$0.15/M · free self-host$1.36/M · free self-hostDeepSeek V4.1 Flash 1017
Output price$0.6/M · free self-host$4.18/M · free self-hostDeepSeek V4.1 Flash 1017
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableYesYes= Tie
LicenseMITApache 2.0–

Price gap & when to choose each

7.0×cheaper per output token

DeepSeek V4.1 Flash 1017 is ~7.0× cheaper than Mistral Large 4 on output tokens ($0.6 vs $4.18 per M tokens).

Choose DeepSeek V4.1 Flash 1017 if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose Mistral Large 4 if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You are building open or reproducible AI

Feature comparison

CapabilityDeepSeek V4.1 Flash 1017Mistral Large 4
Open weights (downloadable)✓✓
Self-hostable✓✓
Runs fully offline✓✓
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✓

Benchmarks: DeepSeek V4.1 Flash 1017 vs Mistral Large 4

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

DeepSeek V4.1 Flash 1017 delivers 4.6× more intelligence per dollar.
DeepSeek V4.1 Flash 1017
Mistral Large 4
Intelligence index
45.1
38.4
Humanity's Last Exam
43.3%
35%
Long Context Reasoning
82.7%
81.3%
SciCode
55.9%
54.2%
Speed
204 tok/s
79.4 tok/s
Latency
0.96s
1.03s
Intelligence per $
85.9
18.6

Benchmark data by Artificial Analysis.

How DeepSeek V4.1 Flash 1017 and Mistral Large 4 score

🤝 Neck and neck on these criteria (5.0 vs 4.8 / 5).
CriterionDeepSeek V4.1 Flash 1017Mistral Large 4
Cost-efficiency5.04.0
Context window5.05.0
Openness5.05.0
Self-hosting5.05.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

DeepSeek V4.1 Flash 1017 Open

DeepSeek · Open-weight

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...

Mistral Large 4 Open

Mistral AI · Open-weight

Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads. It offers a 1M-token context window with up...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
DeepSeek V4.1 FlashDeepSeek V4.1 Flash (batch)DeepSeek V4 Pro 0813DeepSeek V4 Pro 0423DeepSeek V4 Flash 0423DeepSeek V4 Flash 0731DeepSeek V3.2 ExpDeepSeek V3.2DeepSeek V3.1 TerminusDeepSeek V3.1R1 0528DeepSeek V3 0324DeepSeek V3DeepSeek V4 Flash Vision Exp
Other variants tracked
Mistral Medium 3.5Mistral Medium 3.5 (batch)Mistral Small 4Mistral Small 4 (batch)Mistral Large 3 2512Mistral Large 3 2512 (batch)Mistral Medium 3.1Mistral Medium 3.1 (batch)Mistral Medium 3Devstral 2 2512Mistral Small 3.1 24BMistral Small 3.2 24BMistral LargeMistral Large 2407Mistral Small 3SabaMinistral 3 14B 2512Mixtral 8x22B InstructMinistral 3 8B 2512Ministral 3 8B 2512 (batch)Ministral 3 3B 2512UncensoredCodestral 2508Codestral 2508 (batch)Voxtral Small 24B 2507Mistral Nemo

Frequently asked questions

DeepSeek V4.1 Flash 1017 vs Mistral Large 4 — which is cheaper?

DeepSeek V4.1 Flash 1017 is cheaper on output ($0.6/M vs $4.18/M).

Which has the larger context window?

DeepSeek V4.1 Flash 1017 offers the larger context window (1M tokens).

DeepSeek V4.1 Flash 1017 vs Mistral Large 4 — which should I pick in 2026?

Choose DeepSeek V4.1 Flash 1017 for the lower output price ($0.6/M vs $4.18/M). It also gives you the larger 1M context window.

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