GPT-5.6 Sol vs Nex-N2-Pro

Price, context and benchmark scores side by side — every number from the live model catalogue.

GPT-5.6 Solopenai Nex-N2-Pronex-agi
Input / 1M tokens $5.00 $0.250
Output / 1M tokens $30.00 $1.00
1M in + 300K out $14.00 $0.55
Context window 1.1M 262K
Intelligence index 58.9 41.0
Coding index 77.4 59.1
Agentic index 54.0 31.0
Cheapest provider Azure 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 Sol if…

  • You want the higher general-intelligence score (58.9).
  • Code quality is the priority — it leads on the coding index (77.4).
  • You are running agent loops — higher agentic index (54.0).
  • You need the bigger context window (1.1M).

Pick Nex-N2-Pro if…

  • Token cost matters: $1.00 per 1M output vs $30.00.
  • You want the option to self-host — weights are public.

FAQ

Is GPT-5.6 Sol better than Nex-N2-Pro?

GPT-5.6 Sol scores higher on general intelligence (58.9 vs 41.0), while Nex-N2-Pro is 30× cheaper per output token ($1.00 vs $30.00). For code, GPT-5.6 Sol leads (77.4 coding index). GPT-5.6 Sol takes the larger context at 1.1M.

Which is cheaper, GPT-5.6 Sol or Nex-N2-Pro?

Nex-N2-Pro, at $1.00 per 1M output tokens versus $30.00. On a 1M input + 300K output workload that is $0.55 against $14.00.

Can I self-host GPT-5.6 Sol or Nex-N2-Pro?

GPT-5.6 Sol: closed weights, API only. Nex-N2-Pro: open weights (nex-agi/Nex-N2-Pro).

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