DeepSeek-V4-Flash-Vision-Exp vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison
DeepSeek-V4-Flash-Vision-Exp is developed by DeepSeek, while Nemotron 3.5 Lightning (30B A3B) comes from NVIDIA. Both were released in August 2026. Nemotron 3.5 Lightning (30B A3B) has a published size of about 30 billion parameters; DeepSeek has not disclosed the parameter count of DeepSeek-V4-Flash-Vision-Exp.
We have 7 benchmark results for DeepSeek-V4-Flash-Vision-Exp 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-Vision-Exp scores 83.9% 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 4 times cheaper than DeepSeek-V4-Flash-Vision-Exp at $0.22 and $0.66. DeepSeek-V4-Flash-Vision-Exp takes the larger context window at 1M tokens, compared with 262K for Nemotron 3.5 Lightning (30B A3B). DeepSeek-V4-Flash-Vision-Exp accepts text and images as input, while Nemotron 3.5 Lightning (30B A3B) accepts text. On tooling, only Nemotron 3.5 Lightning (30B A3B) supports function calling and only Nemotron 3.5 Lightning (30B A3B) offers structured output.
| Characteristic | DeepSeek-V4-Flash-Vision-Exp | Nemotron 3.5 Lightning (30B A3B) |
|---|---|---|
| Company | DeepSeek | NVIDIA |
| Release Date | August 21, 2026 | August 11, 2026 |
| Parameters | — | 30B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 262K |
| Context (output) | 393K | 262K |
| Input Price / 1M | $0.22 | $0.05 |
| Output Price / 1M | $0.66 | $0.20 |
| Average Score | 50.4% | 45.3% |
| Benchmarks | ||
| Terminal-Bench 2.1 | 83.9% | 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-Vision-Exp — 0.5, Nemotron 3.5 Lightning (30B A3B) — 0.5.
Nemotron 3.5 Lightning (30B A3B) is 3.5x cheaper: input $0.05/1M vs $0.22/1M tokens.
DeepSeek-V4-Flash-Vision-Exp supports a larger context: 1M vs 262K tokens.
Both models were released around the same time: 8/21/2026 and 8/11/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-Vision-Exp or Nemotron 3.5 Lightning (30B A3B)?
Which model is cheaper — DeepSeek-V4-Flash-Vision-Exp or Nemotron 3.5 Lightning (30B A3B)?
Which has a larger context window — DeepSeek-V4-Flash-Vision-Exp or Nemotron 3.5 Lightning (30B A3B)?
The DeepSeek-V4-Flash-Vision-Exp 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-Vision-Exp or Nemotron 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.