GPT-5.1-Codex vs Nemotron 3 Super 120B A12B
Nemotron 3 Super 120B A12B is cheaper on output tokens, while GPT-5.1-Codex offers a larger context window. Choose GPT-5.1-Codex or Nemotron 3 Super 120B A12B based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.1-Codex | Nemotron 3 Super 120B A12B |
|---|---|---|
| Provider | OpenAI | Synthetic |
| Input / 1M tokens | $1.25 | $0.30 |
| Output / 1M tokens | $10.00 | $1.00 |
| Context window | 400K | 262K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Nov 2025 | Mar 2026 |
| LiveBench score | 69.3 | 32.0 |
| SWE-bench Verified score | 66.0 | — |
| LMArena WebDev Elo score | 1337 | — |
FAQ
Is GPT-5.1-Codex or Nemotron 3 Super 120B A12B cheaper?
Nemotron 3 Super 120B A12B is cheaper on output tokens ($1.00 vs $10.00 per 1M).
Which has the larger context window, GPT-5.1-Codex or Nemotron 3 Super 120B A12B?
GPT-5.1-Codex has the larger context window (400K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.