GPT-5.6 Terra vs Nex-N2-Pro
Price, context and benchmark scores side by side — every number from the live model catalogue.
| GPT-5.6 Terraopenai | Nex-N2-Pronex-agi | |
|---|---|---|
| Input / 1M tokens | $1.25 | $0.250 |
| Output / 1M tokens | $7.50 | $1.00 |
| 1M in + 300K out | $3.50 | $0.55 |
| Context window | 1.1M | 262K |
| Intelligence index | 55.0 | 41.0 |
| Coding index | 76.7 | 59.1 |
| Agentic index | 47.4 | 31.0 |
| Cheapest provider | OpenAI | Nex AGI |
| Providers serving it | 2 | 2 |
| Weights | Closed | Open |
| Image input | Yes | Yes |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
| Released | Jul 9, 2026 | Jun 8, 2026 |
Which one to pick
Pick GPT-5.6 Terra if…
- You want the higher general-intelligence score (55.0).
- Code quality is the priority — it leads on the coding index (76.7).
- You are running agent loops — higher agentic index (47.4).
- You need the bigger context window (1.1M).
Pick Nex-N2-Pro if…
- Token cost matters: $1.00 per 1M output vs $7.50.
- You want the option to self-host — weights are public.
FAQ
Is GPT-5.6 Terra better than Nex-N2-Pro?
GPT-5.6 Terra scores higher on general intelligence (55.0 vs 41.0), while Nex-N2-Pro is 7.5× cheaper per output token ($1.00 vs $7.50). For code, GPT-5.6 Terra leads (76.7 coding index). GPT-5.6 Terra takes the larger context at 1.1M.
Which is cheaper, GPT-5.6 Terra or Nex-N2-Pro?
Nex-N2-Pro, at $1.00 per 1M output tokens versus $7.50. On a 1M input + 300K output workload that is $0.55 against $3.50.
Can I self-host GPT-5.6 Terra or Nex-N2-Pro?
GPT-5.6 Terra: closed weights, API only. Nex-N2-Pro: open weights (nex-agi/Nex-N2-Pro).