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 NVIDIA: Nemotron 3.5 Lightning (free)
NVIDIA: Nemotron 3.5 Lightning (free) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V4 Flash 0731 | NVIDIA: Nemotron 3.5 Lightning (free) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 1M | 🏆 DeepSeek: DeepSeek V4 Flash 0731 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.08 | $0.00 | 🏆 NVIDIA: Nemotron 3.5 Lightning (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.18 | $0.00 | 🏆 NVIDIA: Nemotron 3.5 Lightning (free) |
| 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 | Yes | Tie |
Frequently asked questions
Is DeepSeek: DeepSeek V4 Flash 0731 better than NVIDIA: Nemotron 3.5 Lightning (free)?
NVIDIA: Nemotron 3.5 Lightning (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 and NVIDIA: Nemotron 3.5 Lightning (free)?
Input: $0.08 vs $0.00 per 1M tokens. Output: $0.18 vs $0.00 per 1M tokens.
What context windows do DeepSeek: DeepSeek V4 Flash 0731 and NVIDIA: Nemotron 3.5 Lightning (free) support?
DeepSeek: DeepSeek V4 Flash 0731 supports up to 1.0M tokens. NVIDIA: Nemotron 3.5 Lightning (free) supports up to 1M tokens.
Do both DeepSeek: DeepSeek V4 Flash 0731 and NVIDIA: Nemotron 3.5 Lightning (free) support tool calling?
DeepSeek: DeepSeek V4 Flash 0731: yes. NVIDIA: Nemotron 3.5 Lightning (free): yes.