# Gemini 3 Flash vs DeepSeek V3 (2026): Benchmarks, Price & Verdict | Alher Tech

> Gemini 3 Flash vs DeepSeek V3: head-to-head 2026 comparison across Arena Elo, MMLU, GPQA, HumanEval, context window and pricing. Verdict + use cases.

- Canonical page: https://alhertech.com/en/ai-comparison/gemini-3-flash-vs-deepseek-v3/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

---

|  | Gemini 3 Flash | DeepSeek V3 |
| --- | --- | --- |
| arenaElo | 1298 | 1355 |
| humanEval | 79.4 | 86 |
| sweBench | 48 | 42 |
| mmlu | 83.2 | 88.5 |
| gpqa | 51.8 | 59.1 |
| aime | 76 | 59.4 |
| Price in/out ($/M) | $0.3 / $2.5 | $0.27 / $1.1 |

## Our verdict

Gemini 3 Flash brings vision + audio + a 1M context; DeepSeek V3 is open-weights and marginally cheaper. For multimodal UX, Flash. For self-hosted chat and content generation, V3.

[Gemini 3 Flash](https://alhertech.com/en/ai-comparison/gemini-3-flash/) · [DeepSeek V3](https://alhertech.com/en/ai-comparison/deepseek-v3/) · [All AI model comparisons](https://alhertech.com/en/ai-comparison/)