DeepSeek V4 Flash 0423 vs NVIDIA Nemotron 3.5 Lightning
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Nemotron 3.5 Lightning is 1.1× cheaper at a typical mix of 3 input tokens per output token.
- DeepSeek V4 Flash 0423 accepts longer prompts: 1M vs 262K tokens.
- DeepSeek V4 Flash 0423 output costs $0.081 per 1M via Baidu, against the list price of $0.182.
- Nemotron 3.5 Lightning output costs $0.12 per 1M via Darkbloom, against the list price of $0.20.
- Nemotron 3.5 Lightning is the newer model (released 2026-08-11).
| DeepSeek V4 Flash 0423 | Nemotron 3.5 Lightning | |
|---|---|---|
| Vendor | DeepSeek | NVIDIA |
| Released | 2026-04-24 | 2026-08-11 |
| Input / 1M | $0.091 | $0.07 |
| Output / 1M | $0.182 | $0.20 |
| Cached input / 1M | $0.018 | $0.04 |
| Blended / 1M (3:1) | $0.114 | $0.103 |
| Context | 1M | 262K |
| Max output | 944K | 236K |
| Accepts | text | text |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 17 | 4 |
| Cheapest provider, output | $0.081 | $0.12 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | — |
Cost calculator
DeepSeek V4 Flash 0423
$8.19 per month$0.27 per day
Nemotron 3.5 Lightning
$7.20 per month$0.24 per day
Nemotron 3.5 Lightning saves $0.99 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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