DeepSeek V4.1 Flash Max
| Released | 2026-09-10 |
|---|---|
| Price per 1M | $0.039 in · $1.20 out |
| Overall score | 59.0 · rank 122 |
| Context window | 1,000,000 tokens |
| Provider | DeepSeek |
| Weights | Open weights (MIT) |
| Configuration | Max |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 59.0 | 122 | 26 |
| Overall: Coding | 59.9 | 97 | 19 |
| Overall: Reasoning | 59.6 | 118 | 12 |
| Overall: Agentic work | 58.7 | 140 | 18 |
| Overall: Frontend | 60.4 | 64 | 8 |
| Coding | 60.1 | 87 | 6 |
| Agents | 57.4 | 122 | 5 |
| Reasoning | 61.6 | 93 | 7 |
| Math | 59.4 | 57 | 3 |
| Knowledge | 55.3 | 73 | 2 |
| Frontend | 61.1 | 28 | 1 |
| General | 59.1 | 71 | 1 |
| Multimodal | 57.3 | 55 | 1 |
| Value vs price | +12.2 | 28 |
Evidence
Coding 60.1 ±2.0
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Code Migration v1.1 | 58.9% | Vals AI | 2026-11-09 |
| MirrorCode | 64.4% | Epoch AI | 2026-10-21 |
| IOI | 40.3% | Vals AI | 2026-10-29 |
| SWE-bench Multimodal | 46.5% | Vals AI | 2026-11-09 |
| SciCode | 51.9% | Epoch AI | 2026-11-11 |
| ProgramBench | 0.5% | Vals AI | 2026-11-09 |
Agents 57.4 ±2.2
| Benchmark | Result | Source | Date |
|---|---|---|---|
| SRE Bench | 0.8% | Vals AI | 2026-11-05 |
| Terminal-Bench-Science | 0.0% | Vals AI | 2026-11-09 |
| EMB v1.1 (Excel financial modeling) | 67.8% | Vals AI | 2026-11-09 |
| Tax Agent Bench | 26.6% | Vals AI | 2026-11-09 |
| Finance Agent v2.1 | 65.4% | Vals AI | 2026-11-09 |
Reasoning 61.6 ±1.9
| Benchmark | Result | Source | Date |
|---|---|---|---|
| ARC-AGI-2 | 72.9% | Epoch AI | 2026-11-11 |
| ARC-AGI-2 (ARC Prize verified) | 72.9% | ARC Prize | 2026-11-11 |
| GPQA Diamond | 89.8% | Epoch AI | 2026-10-09 |
| CritPt | 14.3% | Epoch AI | 2026-11-11 |
| ARC-AGI-1 (ARC Prize verified) | 94.5% | ARC Prize | 2026-11-11 |
| ARC-AGI-1 | 94.5% | Epoch AI | 2026-11-11 |
| ARC-AGI-3 | 2.7% | ARC Prize | 2026-11-11 |
| Chess Puzzles | 48.0% | Epoch AI | 2026-10-13 |
| Mystery Game Puzzles | 43.0% | Epoch AI | 2026-10-08 |
Math 59.4 ±2.0
| Benchmark | Result | Source | Date |
|---|---|---|---|
| FrontierMath Tiers 1-3 | 67.4% | Epoch AI | 2026-10-08 |
| FrontierMath Tier 4 | 26.8% | Epoch AI | 2026-10-08 |
| OTIS Mock AIME 2024-2025 | 98.3% | Epoch AI | 2026-10-08 |
Knowledge 55.3 ±2.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| SimpleQA Verified | 42.9% | Epoch AI | 2026-10-13 |
| Legal Research Bench | 41.3% | Vals AI | 2026-11-09 |
Frontend 61.1 ±3.0
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena WebDev | 1,664 | LMArena | 2026-11-09 |
General 59.1 ±4.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena Text | 1,475 | LMArena | 2026-11-09 |
Multimodal 57.3 ±4.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena Vision | 1,263 | LMArena | 2026-11-09 |
Results not used in the score
| Benchmark | Result | Source | Why not used |
|---|---|---|---|
| ARC-AGI-3 | 0.9% | ARC Prize | Lower duplicate run on the same benchmark |
Names matched to this model
deepseek-v4-1-flash-max