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Compare performance benchmarks, coding intelligence, reasoning evaluations, context limits, and API economics between Mistral Large 4 (Mistral AI) and DeepSeek V4.1 Flash 1017 (DeepSeek).
| Metric / Capability | Mistral Large 4 | DeepSeek V4.1 Flash 1017 |
|---|---|---|
| Developer / Organization | Mistral AI | DeepSeek |
| Release Date | 2026-10-06 | 2026-10-17 |
| Deployment / Weights | Proprietary Cloud API | Open Weights |
| Context Window | 1.0M tokens (1,048,576 tokens) | 1.0M tokens (1,048,576 tokens) |
| Input Pricing (/1M Tokens) | $1.36 | Free (Open Weights) |
| Output Pricing (/1M Tokens) | $4.18 | Free (Open Weights) |
| Benchmark / Domain | Mistral Large 4 | DeepSeek V4.1 Flash 1017 | Advantage |
|---|---|---|---|
Artificial Analysis Intelligence Index Composite index aggregating 10+ evaluations of general reasoning and knowledge. | 38.4% | 39.5% | DeepSeek V4.1 Flash 1017 (+3%) |
Artificial Analysis Coding Agent Index v2.0 Composite index of coding-agent systems (model + harness) across FrontierCode v1.1, SWE-Atlas-QnA, and Terminal-Bench v4. | — | 46.3% | — |
Terminal-Bench 4.0 Sandboxed command-line tasks requiring shell and file-system operation. | — | 42.3% | — |
GPQA Diamond Graduate-level physics, chemistry, and biology questions written by domain experts. | — | 90.9% | — |
Humanity's Last Exam Expert-written questions across hundreds of disciplines designed to resist saturation. | — | 42.6% | — |
FrontierMath v2 (Tiers 1-3) Unpublished, research-level mathematics problems across Tiers 1-3. | — | 67.4% | — |
Design Arena ELO Human-preference ELO across UI, 3D, data-visualization, and game-dev generations. | 1275 | 1362 | DeepSeek V4.1 Flash 1017 (+7%) |
DeepSeek V4.1 Flash 1017 outperforms Mistral Large 4 across 2 evaluated benchmarks compared to 0 for Mistral Large 4, excelling in Artificial Analysis Intelligence Index, Design Arena ELO.
Both models feature equivalent context windows of 1.0M tokens (1,048,576 tokens).
DeepSeek V4.1 Flash 1017 is more economical. Input tokens cost $Free (Open Weights)/M tokens compared to $1.36/M tokens for Mistral Large 4.
Mistral Large 4 is a proprietary cloud API. DeepSeek V4.1 Flash 1017 is an open-weights model.
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