GPT-6 Astra vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison
| Characteristic | GPT-6 Astra | Nemotron 3.5 Lightning (30B A3B) |
|---|---|---|
| Company | OpenAI | NVIDIA |
| Release Date | September 3, 2026 | August 11, 2026 |
| Parameters | — | 30B |
| Multimodal | Yes | No |
| Context (input) | 1.1M | 262K |
| Context (output) | 128K | 262K |
| Input Price / 1M | $10.00 | $0.05 |
| Output Price / 1M | $50.00 | $0.20 |
| Average Score | 0.7 | 0.8 |
| Benchmarks | ||
| GPQA Diamond | 1.0 | 0.8 |
Visual Benchmark Comparison
GPT-6 Astra
Nemotron 3.5 Lightning (30B A3B)
GPQA Diamond1.0 vs 0.8
1.0
0.8
Verdict
GPT-6 Astra leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-6 Astra — 0.7, Nemotron 3.5 Lightning (30B A3B) — 0.8.
API Cost
Nemotron 3.5 Lightning (30B A3B) is 240.0x cheaper: input $0.05/1M vs $10.00/1M tokens.
Context Window
GPT-6 Astra supports a larger context: 1M vs 262K tokens.
Recency
GPT-6 Astra is newer: released 9/3/2026 vs 8/11/2026.
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Frequently Asked Questions
Which is better for coding — GPT-6 Astra 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-6 Astra or Nemotron 3.5 Lightning (30B A3B)?
Nemotron 3.5 Lightning (30B A3B) is cheaper for input: $0.05 per 1M tokens vs $10.00.
Which has a larger context window — GPT-6 Astra or Nemotron 3.5 Lightning (30B A3B)?
GPT-6 Astra supports a larger context: 1,050,000 tokens vs 262,100.
The GPT-6 Astra 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-6 Astra or Nemotron 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.