All tasks / Models
Aion 3.5
AionLabs' roleplay and storytelling model system built on GLM models; sold through an OpenAI-compatible API.
- AionLabs
- Closed
Where it ranks
- CWritingModels · Cloud · 1,929 on EQ-Bench Creative Writing v3 (secondary benchmark)
Facts
- Vendor
- AionLabs
- Family
- Aion
- Released
- —
- Weights
- Closed: API and apps only
- API price
- $3 in / $6 out per 1M tokens (AionLabs first-party endpoint on OpenRouter; Aion 3.5 Mini $0.70/$1.40.)
- Last verified
- 19 Oct 2026
Price from openrouter.ai, 19 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| EQ-Bench Creative Writing v3 | 1,929 | aion-3.5Elo score from the leaderboard data embedded in https://eqbench.com/creative_writing.js (file last modified 2026-09-24); rank 12 of 140; rubric score 16.73. Marked as a new entry on the board. | 24 Sep 2026 | eqbench.com |
Where you can use it
- SOpenRouterRuntimes & gateways · Cloud
Earlier versions
- Aion-3.0 · —
- Aion-2.0 · —