Weave understands engineering work by combining LLMs and domain-specific machine learning. We tell you how much work is getting done, how good it is and how to optimize your token allocation. Used by startups and the fortune 100 (YC W25).
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4.0
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ReplayAutonomous app testing for teams who ship at AI-speed
Routing each coding request to the cheapest model that can still get it right is the right instinct - most people just default to the strongest model for everything and eat the cost. Being able to use Claude in Codex and GPT in Claude Code depending on which plan still has quota is a real practical unlock, not just a cost gimmick.
What needs improvement
Would like more visibility into why the classifier picked a given model for a specific request after the fact - right now if a task got routed to a weaker model and the result was subtly off, there's no easy way to look back and see that was a routing call rather than just the model having a bad day.
OpenRouter is a general model gateway you point your own app at. Weave Router sits specifically in front of coding agents like Codex and Claude Code and uses your existing subscriptions instead of pay-per-token API billing, which is the part that made it worth trying.