GPT-5.1 High vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison
| Characteristic | GPT-5.1 High | Nemotron 3.5 Lightning (30B A3B) |
|---|---|---|
| Company | OpenAI | NVIDIA |
| Release Date | November 11, 2025 | August 11, 2026 |
| Parameters | — | 30B |
| Multimodal | Yes | No |
| Context (input) | 256K | 262K |
| Context (output) | 128K | 262K |
| Input Price / 1M | $2.00 | $0.05 |
| Output Price / 1M | $8.00 | $0.20 |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.8 |
Visual Benchmark Comparison
GPT-5.1 High
Nemotron 3.5 Lightning (30B A3B)
GPQA0.9 vs 0.8
0.9
0.8
Verdict
Nemotron 3.5 Lightning (30B A3B) leads in 3 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.1 High — 0.9, Nemotron 3.5 Lightning (30B A3B) — 0.8.
API Cost
Nemotron 3.5 Lightning (30B A3B) is 40.0x cheaper: input $0.05/1M vs $2.00/1M tokens.
Context Window
Nemotron 3.5 Lightning (30B A3B) supports a larger context: 262K vs 256K tokens.
Recency
Nemotron 3.5 Lightning (30B A3B) is newer: released 8/11/2026 vs 11/11/2025.
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Frequently Asked Questions
Which is better for coding — GPT-5.1 High 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 — GPT-5.1 High 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 — GPT-5.1 High or Nemotron 3.5 Lightning (30B A3B)?
Nemotron 3.5 Lightning (30B A3B) supports a larger context: 262,100 tokens vs 256,000.
The GPT-5.1 High 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 GPT-5.1 High or Nemotron 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.