Multimodal reasoning model for visual analysis, planning, and tool use
https://openrouter.ai/api/v1 particle-ai/particle-1:free Particle AI: Particle-1 (free) is listed for chat workloads and supports a 1.0M context window.
Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.
We only found this Particle AI: Particle-1 (free) listing on OpenRouter in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | Particle AI: Particle-1 (free) | Free tier | 1.0M | OpenAI-style | 200 req/day (free tier) |
| Model | Provider | Context | Access |
|---|---|---|---|
| Baidu: ERNIE-5.5-Flash-Preview (free) | OpenRouter | 1.0M | Free tier |
| Thinking Machines: Inkling 2 Small (free) | OpenRouter | 1.0M | Free tier |
| LiquidAI: LFM3-1.7B (free) | OpenRouter | 262K | Free tier |
| Recursive: Flint (free) | OpenRouter | 262K | Free tier |
| NVIDIA: Nemotron 3.5 Super VL (free) | OpenRouter | 1.0M | Free tier |
Particle AI: Particle-1 (free) is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
Particle AI: Particle-1 (free) is listed with free API access on OpenRouter, subject to the provider's quota and account policy.
The model ID shown in this catalog is particle-ai/particle-1:free.
The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.
The listed context window is 1.0M tokens with up to 131K output tokens.
Multimodal reasoning model for visual analysis, planning, and tool use
For API keys, setup steps, and provider-level limits, see the OpenRouter provider page.