AionLabs: Aion-2.0

aion-labs/aion-2.0

CHAT Mid tier Reasoning Proprietary (API-only)

AionLabs: Aion-2.0 (aion-labs/aion-2.0) is a chat model from openrouter with a 131.1K-token context window; proprietary (API-only); capabilities tools, reasoning; input text; output text.

131.1KContext

32.8KMax output

$0.8$ / 1M in

Pricing

Input: $0.8 / 1M tokens
Output: $1.6 / 1M tokens
Currency: USD
Note: Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: openrouter. Last verified 2026-07-24.

Specifications

Context window: 131,072 tokens (131.1K)
Max output: 32,768 tokens
Weights: Proprietary (API-only)
Input modalities: text
Output modalities: text
Release date: 2025-12-21

Capabilities

tools reasoning

Provenance

models-devopenrouter-api

Last verified: 2026-10-30

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