DeepSeek-V4-Flash-0731 vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison
DeepSeek-V4-Flash-0731 is developed by DeepSeek, while Nemotron 3.5 Lightning (30B A3B) comes from NVIDIA. DeepSeek-V4-Flash-0731 was released in July 2026, and Nemotron 3.5 Lightning (30B A3B) followed a month later in August 2026. DeepSeek-V4-Flash-0731 is the larger model at roughly 304 billion parameters, against 30 billion for Nemotron 3.5 Lightning (30B A3B).
We have 9 benchmark results for DeepSeek-V4-Flash-0731 and 13 benchmark results for Nemotron 3.5 Lightning (30B A3B), but they overlap on a single test: Terminal-Bench 2.1, where DeepSeek-V4-Flash-0731 scores 83.0% against 24.6%.
Nemotron 3.5 Lightning (30B A3B) is the cheaper API at $0.05 per million input tokens and $0.20 per million output tokens, roughly 3 times cheaper than DeepSeek-V4-Flash-0731 at $0.14 and $0.28. DeepSeek-V4-Flash-0731 takes the larger context window at 1M tokens, compared with 262K for Nemotron 3.5 Lightning (30B A3B).
| Characteristic | DeepSeek-V4-Flash-0731 | Nemotron 3.5 Lightning (30B A3B) |
|---|---|---|
| Company | DeepSeek | NVIDIA |
| Release Date | July 31, 2026 | August 11, 2026 |
| Parameters | 304B | 30B |
| Multimodal | No | No |
| Context (input) | 1.0M | 262K |
| Context (output) | 393K | 262K |
| Input Price / 1M | $0.14 | $0.05 |
| Output Price / 1M | $0.28 | $0.20 |
| Average Score | 57.5% | 45.3% |
| Benchmarks | ||
| Terminal-Bench 2.1 | 83.0% | 24.6% |
Visual Benchmark Comparison
Verdict
Both models show equal results — the choice depends on your specific use case.
Both models show comparable average scores: DeepSeek-V4-Flash-0731 — 0.6, Nemotron 3.5 Lightning (30B A3B) — 0.5.
Nemotron 3.5 Lightning (30B A3B) is 1.7x cheaper: input $0.05/1M vs $0.14/1M tokens.
DeepSeek-V4-Flash-0731 supports a larger context: 1M vs 262K tokens.
Both models were released around the same time: 7/31/2026 and 8/11/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-0731 or Nemotron 3.5 Lightning (30B A3B)?
Which model is cheaper — DeepSeek-V4-Flash-0731 or Nemotron 3.5 Lightning (30B A3B)?
Which has a larger context window — DeepSeek-V4-Flash-0731 or Nemotron 3.5 Lightning (30B A3B)?
The DeepSeek-V4-Flash-0731 and Nemotron 3.5 Lightning (30B A3B) comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Flash-0731 or Nemotron 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.