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 vs OpenAI: GPT-3.5 Turbo (batch)
DeepSeek: DeepSeek V4 Flash 0731 wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V4 Flash 0731 | OpenAI: GPT-3.5 Turbo (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 16K | 🏆 DeepSeek: DeepSeek V4 Flash 0731 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.09 | $0.25 | 🏆 DeepSeek: DeepSeek V4 Flash 0731 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.18 | $0.75 | 🏆 DeepSeek: DeepSeek V4 Flash 0731 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 DeepSeek: DeepSeek V4 Flash 0731 |
Frequently asked questions
Is DeepSeek: DeepSeek V4 Flash 0731 better than OpenAI: GPT-3.5 Turbo (batch)?
DeepSeek: DeepSeek V4 Flash 0731 wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: GPT-3.5 Turbo (batch)?
Input: $0.09 vs $0.25 per 1M tokens. Output: $0.18 vs $0.75 per 1M tokens.
What context windows do DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: GPT-3.5 Turbo (batch) support?
DeepSeek: DeepSeek V4 Flash 0731 supports up to 1.0M tokens. OpenAI: GPT-3.5 Turbo (batch) supports up to 16K tokens.
Do both DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: GPT-3.5 Turbo (batch) support tool calling?
DeepSeek: DeepSeek V4 Flash 0731: yes. OpenAI: GPT-3.5 Turbo (batch): yes.
Compare DeepSeek: DeepSeek V4 Flash 0731 with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest