DeepSeek: DeepSeek V4 Flash 0731 vs Google: Gemini 3.1 Flash Lite (batch)
Based on weekly OpenRouter usage tracked by AI Tier List, DeepSeek: DeepSeek V4 Flash 0731 ranks #1 overall — ahead of Google: Gemini 3.1 Flash Lite (batch) at #27. Google: Gemini 3.1 Flash Lite (batch) is cheaper on input tokens at $0.13/1M vs $0.14/1M for DeepSeek: DeepSeek V4 Flash 0731.
DeepSeek: DeepSeek V4 Flash 0731 vs Google: Gemini 3.1 Flash Lite (batch): which should you use?
Choose DeepSeek: DeepSeek V4 Flash 0731 if…
- It sees more real traffic — #1 overall on OpenRouter's weekly ranking, against #27 for Google: Gemini 3.1 Flash Lite (batch).
- Cheaper to write — $0.28 vs $0.75 per 1M output tokens, the line item that decides generation-heavy costs.
- It is the newer model — released Jul 2026 against May 2026.
Choose Google: Gemini 3.1 Flash Lite (batch) if…
- Cheaper to read — $0.13 vs $0.14 per 1M input tokens, which is what dominates long-prompt and RAG workloads.
- It accepts image, video, file, audio input, which DeepSeek: DeepSeek V4 Flash 0731 does not.
Spec Comparison
| Spec | DeepSeek: DeepSeek V4 Flash 0731 | Google: Gemini 3.1 Flash Lite (batch) |
|---|---|---|
| Author | deepseek | |
| Input price (per 1M tokens) | $0.14 | $0.13 |
| Output price (per 1M tokens) | $0.28 | $0.75 |
| Context window | 1M | 1M |
| Input modalities | text | text, image, video, file, audio |
| Output modalities | text | text |
| AA Intelligence | 51.8 | — |
| AA Coding | 69.1 | — |
| AA Agentic | 48.4 | — |
| Released | Jul 2026 | May 2026 |
What DeepSeek: DeepSeek V4 Flash 0731 and Google: Gemini 3.1 Flash Lite (batch) actually cost to run
On a read-heavy job — 1M tokens in, 100K out — DeepSeek: DeepSeek V4 Flash 0731 costs $0.17 and Google: Gemini 3.1 Flash Lite (batch) costs $0.20.
Flip the shape — 100K in, 1M out — and it becomes $0.29 for DeepSeek: DeepSeek V4 Flash 0731 versus $0.76 for Google: Gemini 3.1 Flash Lite (batch).
Both figures are the published per-token rates multiplied out; caching and batch discounts are not included.
Usage Rank by Task
| Task | DeepSeek: DeepSeek V4 Flash 0731 | Google: Gemini 3.1 Flash Lite (batch) |
|---|---|---|
| Overall | #1 | #27 |
| Memory Extraction | #6 | — |
| Multi-step Planning | #2 | — |
| Tool Dispatch | #2 | — |
| Web Search | #4 | — |
| Agent Workflows | #5 | — |
| Classification & Tagging | #9 | #10 |
| Debugging | #3 | — |
| DevOps Config | #2 | — |
| File Read/Write | #3 | — |
| Frontend UI | #2 | — |
| Code Implementation | #3 | — |
| Repo Analysis | #3 | — |
| Code Review & Security | #3 | — |
| Shell Execution | #6 | — |
About DeepSeek: DeepSeek V4 Flash 0731 and Google: Gemini 3.1 Flash Lite (batch)
DeepSeek: DeepSeek V4 Flash 0731
Built by deepseek · released Jul 2026 · 1M-token context
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....
Google: Gemini 3.1 Flash Lite (batch)
Built by google · released May 2026 · 1M-token context
Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads. It supports text, image, video, audio, and PDF inputs, and is designed for lightweight agentic...
Related comparisons
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- DeepSeek: DeepSeek V4 Flash 0731 vs OpenAI: GPT-5.6 Luna (batch)
- DeepSeek: DeepSeek V4 Flash 0731 vs DeepSeek: DeepSeek V4 Flash 0423
- Google: Gemini 3.1 Flash Lite (batch) vs Tencent: Hy3
- Google: Gemini 3.1 Flash Lite (batch) vs OpenAI: GPT-5.6 Luna (batch)
- Google: Gemini 3.1 Flash Lite (batch) vs DeepSeek: DeepSeek V4 Flash 0423
Get notified when DeepSeek: DeepSeek V4 Flash 0731 or Google: Gemini 3.1 Flash Lite (batch) moves
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FAQ
Which is better, DeepSeek: DeepSeek V4 Flash 0731 or Google: Gemini 3.1 Flash Lite (batch)?
Based on weekly OpenRouter usage tracked by AI Tier List, DeepSeek: DeepSeek V4 Flash 0731 ranks #1 overall — ahead of Google: Gemini 3.1 Flash Lite (batch) at #27. Google: Gemini 3.1 Flash Lite (batch) is cheaper on input tokens at $0.13/1M vs $0.14/1M for DeepSeek: DeepSeek V4 Flash 0731.
Which is cheaper, DeepSeek: DeepSeek V4 Flash 0731 or Google: Gemini 3.1 Flash Lite (batch)?
Google: Gemini 3.1 Flash Lite (batch) is cheaper at $0.13 per 1M input tokens. Output pricing: DeepSeek: DeepSeek V4 Flash 0731 $0.28, Google: Gemini 3.1 Flash Lite (batch) $0.75.
Is DeepSeek: DeepSeek V4 Flash 0731 still ahead of Google: Gemini 3.1 Flash Lite (batch) right now?
Yes. For the week of 2026-08-10, DeepSeek: DeepSeek V4 Flash 0731 ranks #1 overall on OpenRouter usage against #27 for Google: Gemini 3.1 Flash Lite (batch). Ranks refresh weekly, and the verdict on this page flips if they cross.
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.