AI Recommendation
Should you use aion-3.0?
aion-3.0 is listed for chat workloads and supports a 8K context window.
Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.
aion-3.0 Free API on OpenRouter
Free API Verified Catalog profile Profile provider catalog metadata
aion-3.0 is available through OpenRouter with 8K context and OpenAI Chat Completions + OpenAI Responses API access.
Free APIOpenAI compatible
Context window 8K
Max output 4K
API format OpenAI Chat Completions + OpenAI Responses
Status Online
Best for
- Chat
Strengths & Weaknesses
Strengths
- Live API verification available
Watch outs
- Free-tier rate limits apply
- Vision support is not listed
- Tool calling is not confirmed
Availability
aion-3.0 availability by provider
We only found this aion-3.0 listing on OpenRouter in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | aion-labs/aion-3.0 | Free tier | 8K | Native | 200 req/day (free tier) |
Compare
aion-3.0 alternatives to consider
| Model | Provider | Context | Access |
|---|---|---|---|
| Tencent: Hy3 (free) | OpenRouter | 262K | Free tier |
| Poolside: Laguna XS 2.1 (free) | OpenRouter | 262K | Free tier |
| Cohere: North Mini Code (free) | OpenRouter | 256K | Free tier |
| NVIDIA: Nemotron 3.5 Content Safety (free) | OpenRouter | 128K | Free tier |
| NVIDIA: Nemotron 3 Ultra (free) | OpenRouter | 1.0M | Free tier |
Typical Use Cases
aion-3.0 use cases
Chat
aion-3.0 is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
FAQ
aion-3.0 free API FAQ
Is aion-3.0 free to use?
aion-3.0 is listed with free API access on OpenRouter, subject to the provider's quota and account policy.
What is the aion-3.0 model ID?
The model ID shown in this catalog is aion-labs/aion-3.0.
What are the aion-3.0 free tier rate limits on OpenRouter?
The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.
What context window does aion-3.0 support?
The listed context window is 8K tokens with up to 4K output tokens.