Supported Models

OmniaKey routes to a curated catalog from four vendors as peers — use the model id below in any compatible SDK or coding agent. These models support tool use; those marked fast are tuned for low latency. See the API Reference for how to call these ids over each protocol.

Anthropic — Claude

Model ID	Context	Notes
`claude-opus-4-8`	1M	Flagship. Vision, tool use
`claude-opus-4-7`	1M	Vision, tool use
`claude-opus-4-6`	1M	Vision, tool use
`claude-sonnet-5`	1M	Balanced. Vision, tool use
`claude-sonnet-4-6`	1M	Balanced. Vision, tool use
`claude-haiku-4-5`	200K	Fast. Vision, tool use

OpenAI — GPT

Model ID	Context	Notes
`gpt-5.5`	1M	Flagship. Vision, tool use
`gpt-5.4`	1M	Vision, tool use
`gpt-5.4-mini`	1M	Fast. Vision, tool use

Google — Gemini

Model ID	Context	Notes
`gemini-3.1-pro-preview`	1M	Flagship. Vision, tool use
`gemini-3-flash-preview`	1M	Fast. Vision, tool use
`gemini-2.5-pro`	1M	Vision, tool use
`gemini-2.5-flash`	1M	Fast. Vision, tool use

xAI — Grok

Model ID	Context	Notes
`grok-4.5`	500K	Flagship coding model. Vision, tool use

Pricing

You pay per token against a prepaid balance — no monthly fee, no tiers. Launch pricing differs by provider and is shown line by line on the pricing page; live rates are also shown in the Dashboard.

The lineup grows over time. The pricing page and Dashboard always reflect what’s currently available.

Gemini-native API Errors and Rate Limits

Getting Started

API Reference

Tools & SDKs

Anthropic — Claude

OpenAI — GPT

Google — Gemini

xAI — Grok

Pricing

​Anthropic — Claude

​OpenAI — GPT

​Google — Gemini

​xAI — Grok

​Pricing

Anthropic — Claude

OpenAI — GPT

Google — Gemini

xAI — Grok

Pricing