DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
Model details →DeepSeek: DeepSeek V4.1 Flash (batch) vs OpenAI: GPT-4.1 Nano (batch)
DeepSeek: DeepSeek V4.1 Flash (batch) and OpenAI: GPT-4.1 Nano (batch) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V4.1 Flash (batch) | OpenAI: GPT-4.1 Nano (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 1.0M | 🏆 DeepSeek: DeepSeek V4.1 Flash (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.11 | $0.05 | 🏆 OpenAI: GPT-4.1 Nano (batch) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.34 | $0.20 | 🏆 OpenAI: GPT-4.1 Nano (batch) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 DeepSeek: DeepSeek V4.1 Flash (batch) |
Frequently asked questions
Is DeepSeek: DeepSeek V4.1 Flash (batch) better than OpenAI: GPT-4.1 Nano (batch)?
DeepSeek: DeepSeek V4.1 Flash (batch) and OpenAI: GPT-4.1 Nano (batch) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between DeepSeek: DeepSeek V4.1 Flash (batch) and OpenAI: GPT-4.1 Nano (batch)?
Input: $0.11 vs $0.05 per 1M tokens. Output: $0.34 vs $0.20 per 1M tokens.
What context windows do DeepSeek: DeepSeek V4.1 Flash (batch) and OpenAI: GPT-4.1 Nano (batch) support?
DeepSeek: DeepSeek V4.1 Flash (batch) supports up to 1.0M tokens. OpenAI: GPT-4.1 Nano (batch) supports up to 1.0M tokens.
Do both DeepSeek: DeepSeek V4.1 Flash (batch) and OpenAI: GPT-4.1 Nano (batch) support tool calling?
DeepSeek: DeepSeek V4.1 Flash (batch): yes. OpenAI: GPT-4.1 Nano (batch): yes.