Side-by-side

Not Diamond vs Braintrust

Not DiamondBraintrust

Bottom line: Not Diamond for teams running multiple LLMs in production; Braintrust for teams making evaluation a first-class part of development.

	Not Diamond Intelligent LLM router that picks the best model per query Visit	Braintrust Eval-first evaluation and observability platform for AI applications. Visit
Votes	0	0
Pricing	Freemium	Freemium
Category	Coding	Coding
Tags	llm-routermodel-routingcost-optimizationai-infrastructurellmops	llm-evaluationobservabilityprompt-engineeringci-cdllmops
Best for	Teams running multiple LLMs in production Builders of coding and AI agents Cost-sensitive LLM applications	Teams making evaluation a first-class part of development Organizations wanting CI/CD quality gates for AI Product and AI engineering teams iterating on prompts
Pros	Directly targets cost savings without quality loss Supports custom routers trained on your own data Low added router latency (cited ~100-150ms) Free early-access tier to evaluate Works with major providers and coding agents	Deep, eval-first feature set with scorers, experiments, and statistical rigor Strong CI/CD integration to catch regressions before deploy Usage-based pricing with unlimited users, so no per-seat penalty Powerful playground for prompt iteration and comparison Tight loop between production logs and evaluation datasets
Cons	Routing benefits depend heavily on your specific workload Exact per-token pricing is not fully published Vendor-cited savings figures need independent validation Adds an external dependency and network hop Crowded, fast-moving competitive category	Not open source; source-available and hosted model Self-hosting locked to the Enterprise tier and a license key Big price jump from free to $249 per month SSO, RBAC, and self-host are gated behind Enterprise Data- and score-based billing makes costs less predictable at volume

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