Mozilla AI launches Otari Subscriptions for open-weight coding models
Mozilla AI is opening early access to Otari Subscriptions, a service designed to make open-weight models easier to use for coding agents. The plans combine multiple models, provider routing, server tools and a predictable monthly price under one key.
- Otari Subscriptions brings open-weight coding models under one key.
- Supported models include GLM-5.3, DeepSeek V4 Pro, Kimi K3 and Qwen3.8.
- Plans include web search, web fetch, code execution and routing controls.
- Otari Go costs $10 a month for $30 of usage.
- Early access invitations will be sent in waves.
Open-weight models are ready for coding agents
Mozilla AI says open-weight models have caught up with the capabilities coding agents rely on, including planning changes, editing across files, running tools and recovering when something breaks. The company names GLM-5.3, DeepSeek V4 Pro, Kimi K3 and Qwen3.8 as models that can handle this work.
Because their weights are open, these models can be hosted or fine-tuned by anyone, and users can switch providers without asking permission. Mozilla AI says this is driving more teams toward open-weight models because of lower cost, greater control and less dependence on a single vendor.
One subscription covers models and tools
Otari Subscriptions is intended to address the practical difficulties of using open models day to day. Developers currently have to choose a model and provider, manage separate accounts and API keys, handle multiple bills, and configure coding tools for each provider. Open models also commonly lack the web search and code execution included with some closed-model plans.
With Otari, one key provides access to open-weight models, with new models added as they are released. The service routes requests to the provider that serves a model best based on price, health and latency. It keeps a session with the same provider so prompt caching continues to work.
The service works with Pi, Hermes, Claude Code, Codex and OpenCode. Web search, web fetch and code execution are included with every plan, together with a monthly allowance. Routing, budgets and guardrails are also included.
Early access plans start at $10 a month
Mozilla AI lists two early access plans: Otari Go costs $10 a month for $30 of usage, while Otari Pro costs $40 a month for $120 of usage. The company says there is no service fee on subscription usage. If a user exceeds the plan, usage continues from the organization's balance, so work does not stop.
The plans are personal and cover open-weight models. Closed models such as Claude and GPT continue to be paid from an organization's balance. Otari Subscriptions has limited spots, with invitations being sent in waves over the coming weeks, and Mozilla AI says a Teams plan is coming soon.
The Otari gateway is open source, so users can run it themselves. Mozilla AI describes the gateway as a way to retain control over providers, credentials, tools and sandboxes while giving applications a consistent tool interface. Developers can request early access at otari.ai/subscriptions.
