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....
Model details →DeepSeek: DeepSeek V4 Flash 0731 (free) vs Google: Gemini 3.8 Flash (batch)
DeepSeek: DeepSeek V4 Flash 0731 (free) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V4 Flash 0731 (free) | Google: Gemini 3.8 Flash (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 1.0M | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.00 | $0.38 | 🏆 DeepSeek: DeepSeek V4 Flash 0731 (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.00 | $1.88 | 🏆 DeepSeek: DeepSeek V4 Flash 0731 (free) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Google: Gemini 3.8 Flash (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: DeepSeek V4 Flash 0731 (free) better than Google: Gemini 3.8 Flash (batch)?
DeepSeek: DeepSeek V4 Flash 0731 (free) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between DeepSeek: DeepSeek V4 Flash 0731 (free) and Google: Gemini 3.8 Flash (batch)?
Input: $0.00 vs $0.38 per 1M tokens. Output: $0.00 vs $1.88 per 1M tokens.
What context windows do DeepSeek: DeepSeek V4 Flash 0731 (free) and Google: Gemini 3.8 Flash (batch) support?
DeepSeek: DeepSeek V4 Flash 0731 (free) supports up to 1.0M tokens. Google: Gemini 3.8 Flash (batch) supports up to 1.0M tokens.
Do both DeepSeek: DeepSeek V4 Flash 0731 (free) and Google: Gemini 3.8 Flash (batch) support tool calling?
DeepSeek: DeepSeek V4 Flash 0731 (free): yes. Google: Gemini 3.8 Flash (batch): yes.