---
title: "DeepSeek: DeepSeek V4 Flash 0731 (free) — free route, unrated · Undominated.ai"
canonical: https://undominated.ai/models/deepseek__deepseek-v4-flash-0731__free/
description: "DeepSeek: DeepSeek V4 Flash 0731 (free) is listed as a free route in this catalogue. No independent quality score. Unrated is not zero."
---

# DeepSeek: DeepSeek V4 Flash 0731 (free) — free route, unrated · Undominated.ai

> DeepSeek: DeepSeek V4 Flash 0731 (free) is listed as a free route in this catalogue. No independent quality score. Unrated is not zero.

MODEL PROOF

# DeepSeek V4 Flash 0731 (free)

DeepSeek · 31 Jul 2026

 Balanced Summarise Chat Code gen Agentic

NOT INDEPENDENTLY RATED

## No independent LMArena score is published for this model.

 **Free** / 1M tokens Balanced · 3 tokens in per 1 out

 Independent LMArena score Not independently rated
 Context window 1.05M
 Maximum output 393.22K
 Input modalities text
 Output modalities text
 Published input price Free / 1M tokens
 Published output price Free / 1M tokens
 Pricing kind fixed

Evidence as of 19 Sept 2026

 openrouter/models Copy link Share Download landscape card

MODEL MONUMENT

## Save or share this proof

DeepSeek: DeepSeek V4 Flash 0731 (free). Balanced workload. Not independently rated. Evidence as of 19 Sept 2026.

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free/M in, free/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. DeepSeek V4 Flash 0731 (free) has no independent quality score. Unrated is not a score of zero. See [free routes](/free/) and [OpenRouter or direct](/openrouter-vs-direct/).

### Every price dimension

| Input | free /M |
| --- | --- |
| Output | free /M |

### Independent scores

No independent benchmark has measured this model. Unrated is not a score of zero.

#### Best rankings by task

 - svg #26 of 77 1211
- uicomponent #35 of 104 1252
- 3d #37 of 100 1237
- website #38 of 114 1251
- gamedev #38 of 107 1233
- codecategories #40 of 108 1245
- dataviz #53 of 106 1197

### Capability

| Context window | 1.0M |
| --- | --- |
| Max output | 393K |
| Input modes | text |
| Tool use | yes |
| Reasoning | optional |

### Provenance

| Price source | openrouter.ai |
| --- | --- |
| Fetched | 2026-09-19 |
| Quality data | unrated |

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

## Questions this page answers

### What does DeepSeek V4 Flash 0731 (free) cost?

free/M in, free/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.

### Does DeepSeek V4 Flash 0731 (free) have an independent quality score?

DeepSeek V4 Flash 0731 (free) has no independent quality score in this catalogue. Unrated is not a score of zero.

### What beats DeepSeek V4 Flash 0731 (free)?

DeepSeek V4 Flash 0731 (free) has no independent quality score. Unrated is not a score of zero.

### Does this page use Artificial Analysis scores for DeepSeek V4 Flash 0731 (free)?

No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.

## Related

No independent quality score, so there is no dominator to name. Unrated is not a clean bill of health.

 - DeepSeek models [DeepSeek](/providers/deepseek/)