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DeepSeek V4.1 Flash 1017 vs Mistral Large 4

Detailed technical comparison between DeepSeek V4.1 Flash 1017 (DeepSeek) and Mistral Large 4 (Mistral). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

DeepSeek V4.1 Flash 1017: 0 WinsvsMistral Large 4: 6 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

DeepSeek V4.1 Flash 1017

$0.15 / MTok
DeepSeekactive

DeepSeek V4.1 Flash 1017

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...

View DeepSeek V4.1 Flash 1017 Full Specs →
Mistralactive

Mistral Large 4

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...

View Mistral Large 4 Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationDeepSeek V4.1 Flash 1017Mistral Large 4
ProviderDeepSeekMistral
Context Window1,048,576 tokens1,048,576 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelself hostableself hostable
Production StabilityNot verifiedNot verified
API AvailableYesYes
Released Date2026-10-172026-10-06

API Pricing Comparison

Input Price per Million Tokens

DeepSeek V4.1 Flash 1017

$0.15

Mistral Large 4

$0.70

Output Price per Million Tokens

DeepSeek V4.1 Flash 1017

$0.60

Mistral Large 4

$2.10

💡 Cost Ratio: DeepSeek V4.1 Flash 1017 is 4.7x cheaper per input token than Mistral Large 4.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
74.4%vs85.8%+11.4% Mistral Large 4
DeepSeek V4.1 Flash 1017
Mistral Large 4 🏆
HumanEvalPython coding & logic synthesis
70.6%vs85.0%+14.4% Mistral Large 4
DeepSeek V4.1 Flash 1017
Mistral Large 4 🏆
MATHComplex mathematical problem solving
43.8%vs66.2%+22.4% Mistral Large 4
DeepSeek V4.1 Flash 1017
Mistral Large 4 🏆
GPQAGraduate-level expert reasoning
31.2%vs47.6%+16.4% Mistral Large 4
DeepSeek V4.1 Flash 1017
Mistral Large 4 🏆
HellaSwagCommonsense reasoning and inference
78.4%vs86.8%+8.4% Mistral Large 4
DeepSeek V4.1 Flash 1017
Mistral Large 4 🏆
MT-BenchMulti-turn conversation flow quality
8.1%vs8.9%+0.8% Mistral Large 4
DeepSeek V4.1 Flash 1017
Mistral Large 4 🏆

DeepSeek V4.1 Flash 1017 Quirks & Gotchas

No developer gotchas reported.

Mistral Large 4 Quirks & Gotchas

No developer gotchas reported.

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