--- title: "AionLabs: Aion 3.5 — unrated, priced in this catalogue · Undominated.ai" canonical: https://undominated.ai/models/aion-labs__aion-3.5/ description: "AionLabs: Aion 3.5: $3.00/M in, $6.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero." --- # AionLabs: Aion 3.5 — unrated, priced in this catalogue · Undominated.ai > AionLabs: Aion 3.5: $3.00/M in, $6.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero. [Check base rates for this workload](/check/aion-labs__aion-3.5/) [Cheaper alternatives](/alternatives/) [Family](/families/aion/) [Compare models](https://undominated.ai/compare/?models=aion-labs%2Faion-3.5) Comparison context Choose up to three standard models in Compare. Requirements and prompt length apply in Compare. This page keeps its stated price basis and workload controls. MODEL PROOF # Aion 3.5 Aion Labs · 23 Sept 2026 Balanced Summarise Chat Code gen Agentic NOT INDEPENDENTLY RATED ## No independent LMArena score is published for this model. **$3.75** / 1M tokens Balanced · 3 tokens in per 1 out Evidence as of 23 Sept 2026 [openrouter/models](https://openrouter.ai/api/v1/models) Independent LMArena score Not independently rated Context window 262.14K Maximum output 32.77K Input modalities text Output modalities text Published input price $3.00 / 1M tokens Published output price $6.00 / 1M tokens Pricing kind fixed Inspect [complete billing conditions](#billing-details) and endpoint terms below. Every price dimension · USD per million tokens | Input | $3.00 /M | | --- | --- | | Output | $6.00 /M | | Cached input | $0.750 /M | | Cache write | Unknown /M | | Cache write 1h | Unknown /M | | Reasoning | Unknown /M | ### Who sells it The same weights, different shops. Cheapest is not like-for-like when serving precision differs. 1 provider offers · rates, limits and conditions Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test. | Seller | Input | Output | Precision | Uptime (1d) | | --- | --- | --- | --- | --- | | Seller AionLabs aion-labs Endpoint terms Cached input /M $0.750 Context limit 262,144 tokens Output limit 32,768 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 100.00% | Input $3.00 | Output $6.00 | Precision undeclared | Uptime (1d) 100.00% | ### Independent scores No independent benchmark has measured this model. Unrated is not a score of zero. ### Capability | Context window | 262K | | --- | --- | | Max output | 33K | | Input modes | text | | Tool use | yes | | Reasoning | always on | | Open weights | Unknown | ### Provenance | Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) | | --- | --- | | Fetched | 2026-09-23 | | Quality data | unrated | Aion 3.5 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each... ## Questions this page answers What does Aion 3.5 cost? $3.00/M in, $6.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Does Aion 3.5 have an independent quality score? Aion 3.5 has no independent quality score in this catalogue. Unrated is not a score of zero. What beats Aion 3.5? Aion 3.5 has no independent quality score. Unrated is not a score of zero. Does this page use Artificial Analysis scores for Aion 3.5? No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated. Does a missing score mean Aion 3.5 scored zero? Unrated is not a score of zero. MODEL MONUMENT ## Save or share this proof Download proof card · 1200 × 630 Preview and more sharing options AionLabs: Aion 3.5. Balanced workload. Not independently rated. Evidence as of 23 Sept 2026. Copy model link Download square card · 1080 × 1080 Copy landscape image Share landscape card ## Related No independent quality score, so there is no dominator to name. Unrated is not a clean bill of health. - Same vendor [Aion 3.5 Mini](/models/aion-labs__aion-3.5-mini/) - Aion Labs models [Aion Labs](/providers/aion-labs/) - Where this model appears [effort](/effort/) - Same vendor [Aion-2.0](/models/aion-labs__aion-2.0/) - Same vendor [Aion-3.0](/models/aion-labs__aion-3.0/) ## Badge The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not. Markdown Copy [![Aion 3.5 — Undominated.ai dominance verdict](https://undominated.ai/badge/aion-labs__aion-3.5.svg)](https://undominated.ai/models/aion-labs__aion-3.5/) HTML Copy Aion 3.5 — Undominated.ai dominance verdict Direct file: [https://undominated.ai/badge/aion-labs__aion-3.5.svg](https://undominated.ai/badge/aion-labs__aion-3.5.svg) — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy. ## Continue your investigation - [Explore model families](/families/) - [Compare a shortlist](/compare/) - [Check a model](/check/) - [Understand the evidence](/methodology/)