GPT-6.1 Terra Pro vs Nex-N2.5-Mini

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra Pro

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
VS
Nex Agi

Nex-N2.5-Mini

Nex Agi
$0.025 / $0.10
Input / Output · per 1M tokens
Compare different models
OpenAI
Nex Agi
Verdict: Nex-N2.5-Mini is 45.7× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 262K).
GPT-6.1 Terra ProNex-N2.5-Mini
Input price / 1M$1.00$0.025
Output price / 1M$5.00$0.10
Blended price (3:1)$2.00$0.0438
Cached input / 1M$0.05$0.0025
Context window1.1M262K
Max output128K236K
Intelligence index——
Coding index——
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-10-262026-09-08
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra Pro or Nex-N2.5-Mini?

Nex-N2.5-Mini is 45.7× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

GPT-6.1 Terra Pro vs Nex-N2.5-Mini: which has a bigger context window?

GPT-6.1 Terra Pro: 1,050,000 tokens. Nex-N2.5-Mini: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Nex-N2.5-Mini ≈ $100.00.

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