Aion-2.0 vs GPT-6 Luna Pro

Price, context window & benchmark comparison

A

Aion-2.0

AionLabs
$0.80 / $1.60
Input / Output · per 1M tokens
VS
O

GPT-6 Luna Pro

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
Compare different models
A
O
Verdict: GPT-6 Luna Pro is 5.0× cheaper than Aion-2.0 on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 131K).
Aion-2.0GPT-6 Luna Pro
Input price / 1M$0.80$0.10
Output price / 1M$1.60$0.50
Blended price (3:1)$1.00$0.20
Cached input / 1M$0.20$0.01
Context window131K1.1M
Max output33K128K
Intelligence index
Coding index
Providers6
Best provider uptime (30m)100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-02-232026-09-22
Retirement

Cost calculator

FAQ

Which is cheaper, Aion-2.0 or GPT-6 Luna Pro?

GPT-6 Luna Pro is 5.0× cheaper than Aion-2.0 on a typical 3:1 input/output mix.

Aion-2.0 vs GPT-6 Luna Pro: which has a bigger context window?

Aion-2.0: 131,072 tokens. GPT-6 Luna Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Aion-2.0 ≈ $2,400, GPT-6 Luna Pro ≈ $450.00.

More comparisons