Antimatter
Antimatter Compute provides a single OpenAI-compatible API and gateway for accessing a broad catalog of language, image, audio, video, 3D and other AI models. Its stated positioning is to make model exploration and routing simple: one key, transparent upstream pricing plus a 10% margin, with Antimatter routing requests rather than hosting the models.
At a Glance
- AI application developers
- Agent builders
- Developers and teams comparing or routing among foundation-model providers
- Users of multimodal generation APIs
- +1 more
AI Tools by Antimatter
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Antimatter
Unified AI Model Gateway API
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Latest News
Antimatter announced new models and capabilities, describing its catalog as a universe of AI models.
Antimatter announced that $ANTI holder utility was live, including early model access and ensembles.
Antimatter announced that GPT-6 Astra was available on the platform and said $ANTI payment support was planned for it.
Antimatter published an explanation of its usage, routing and $ANTI thesis.
Products & Services
A hosted multi-model inference gateway with one OpenAI-compatible API, plus Anthropic Messages and OpenAI Responses compatibility. It exposes model IDs in vendor/model format, routing, fallback and Autopilot selection.
Routing modes that choose a model based on criteria such as cheapest, fastest, code, extraction, reasoning, long context, vision, tool calling or structured output.
A web playground for talking to models in the catalog, including side-by-side model use.
An image-model catalog and image-generation interface listing 56 image models with per-picture pricing.
Market Position
Antimatter positions itself as a transparent-margin, multi-provider model gateway rather than a model developer or host. It differentiates with a public catalog, one-key access, 10% markup disclosure, Autopilot/fallback routing, capability measurements, ensembles and agent/MCP infrastructure; its documented comparison point is OpenRouter, while upstream alternatives include direct OpenAI, Anthropic and other provider APIs.
Business Model
Revenue Model
Usage-based model inference and media generation. Antimatter charges the upstream provider's published price plus a flat 10% margin; usage is metered by the gateway. Accounts receive a one-time $0.25 free allowance, after which the service currently accepts $ANTI on Robinhood Chain as credit. It also supports bring-your-own-provider-key requests billed to the provider account.
Pricing Tiers
Available once for an account that has never deposited.
Prices are listed per model on the public pricing page; image models include the same margin.
120 requests per minute per API key, seven-day early access to new models, ensemble access, price locks and a holder badge.
300 requests per minute per API key.
Target Markets
- AI application developers
- Agent builders
- Developers and teams comparing or routing among foundation-model providers
- Users of multimodal generation APIs
- Organizations running evaluations, shadow tests and model ensembles
- Developers integrating multiple AI model providers behind one API
- Agents that need model routing, tools, hosted runs or MCP access
- Applications comparing models by cost, speed, context window or capabilities
- Production workloads needing fallback, strict structured output or resumable streaming
- Image, audio, video and 3D generation workflows
- Evaluation, shadow testing and ensemble-based model selection