Grok 4.5 vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison
| Characteristic | Grok 4.5 | Nemotron 3.5 Lightning (30B A3B) |
|---|---|---|
| Company | xAI | NVIDIA |
| Release Date | July 16, 2026 | August 11, 2026 |
| Parameters | — | 30B |
| Multimodal | Yes | No |
| Context (input) | 500K | 262K |
| Context (output) | — | 262K |
| Input Price / 1M | $2.00 | $0.05 |
| Output Price / 1M | $6.00 | $0.20 |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.8 |
Visual Benchmark Comparison
Grok 4.5
Nemotron 3.5 Lightning (30B A3B)
GPQA0.9 vs 0.8
0.9
0.8
Verdict
Nemotron 3.5 Lightning (30B A3B) leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Grok 4.5 — 0.8, Nemotron 3.5 Lightning (30B A3B) — 0.8.
API Cost
Nemotron 3.5 Lightning (30B A3B) is 32.0x cheaper: input $0.05/1M vs $2.00/1M tokens.
Context Window
Grok 4.5 supports a larger context: 500K vs 262K tokens.
Recency
Nemotron 3.5 Lightning (30B A3B) is newer: released 8/11/2026 vs 7/16/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Grok 4.5 or Nemotron 3.5 Lightning (30B A3B)?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Grok 4.5 or Nemotron 3.5 Lightning (30B A3B)?
Nemotron 3.5 Lightning (30B A3B) is cheaper for input: $0.05 per 1M tokens vs $2.00.
Which has a larger context window — Grok 4.5 or Nemotron 3.5 Lightning (30B A3B)?
Grok 4.5 supports a larger context: 500,000 tokens vs 262,100.
The Grok 4.5 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 Grok 4.5 or Nemotron 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.