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AI Agent Eval Tools Compared: Braintrust vs Promptfoo vs DeepEval
AI agent eval tools compared - Braintrust, Langfuse, Promptfoo, DeepEval, Ragas, and OpenAI Evals on offline vs online evals, LLM-as-judge, CI, and datasets.
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LANGFUSE
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Who Bought Your LLM Observability Tool? The 2025-2026 Consolidation, and How to Stay Portable
Langfuse is part of ClickHouse, Promptfoo is part of OpenAI, Galileo is part of Cisco, Traceloop is joining ServiceNow, Helicone joined Mintlify and Humanloop shut down. Who owns what in October 2026, the dates the vendors state, and a portability checklist built on OTLP ingest, licenses and self-hosting.
•11 min read
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14 min read
Langfuse vs Braintrust vs Helicone: Agent Tracing Tools in 2026
Langfuse vs Braintrust vs Helicone, plus LangSmith and Arize Phoenix: 2026 pricing tiers, self-host options, agent-trace features, and OpenTelemetry support.
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