LLM Observability

Braintrust vs OpenTelemetry

BraintrustOpenTelemetry

48%

52%

Leading: OpenTelemetry (51.7%)

Insufficient data

This matchup has 29 decisive cases (minimum 30 required for publication).

Metric	Value
Braintrust wins	14
OpenTelemetry wins	15
Abstains (no tool)	146
Other tool chosen	4179
Decisive cases	29
Braintrust win rate (unweighted)	48.3%
95% CI	31.4% - 65.6%
Braintrust win rate (weighted)	48.3%

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Model range	Tier	Braintrust	OpenTelemetry	None	Other	A rate
DeepSeek Flash 3.2–4.1	Mid	0	0	4	223	n/a
DeepSeek Pro 4–4 0813	Frontier	0	0	1	95	n/a
DeepSeek R1	Frontier	0	0	2	226	n/a
Devstral	Mid	0	0	28	169	n/a
Gemini Flash 2.5–3.8	Small	0	0	3	225	n/a
Gemini Pro 2.5–3.1 Preview	Frontier	0	0	8	220	n/a
GLM 5 Turbo–5.3	Frontier	0	0	0	228	n/a
GPT 5.4–6 Astra	Frontier	0	0	4	224	n/a
GPT Coding 5.3 Codex–6.1 Sol	Frontier	0	0	1	227	n/a
GPT Mini 5.4 Mini–6 Luna	Mid	0	0	5	223	n/a
Haiku	Small	14	0	3	207	100%
Kimi 2.5–3	Frontier	0	0	4	210	n/a
Llama Maverick	Frontier	0	0	16	210	n/a
Llama Scout	Small	0	14	33	167	0%
MiMo Pro 2–2.6	Frontier	0	0	8	220	n/a
MiniMax M 2.7–3	Frontier	0	0	5	221	n/a
Mistral Small	Mid	0	1	3	219	0%
Opus 4.6–5.5	Frontier	0	0	8	220	n/a
Qwen Coder	Mid	0	0	2	225	n/a
Sonnet 4.6–5.5	Frontier	0	0	8	220	n/a

Prompt	Tier	Braintrust	OpenTelemetry	None	Other	A rate
ai-revenue-ops-copilot	Beginner	14	3	33	525	82%
ai-support-agent-platform	Advanced	0	6	1	565	0%
ai-agent-application	Advanced	0	4	0	152	0%
ai-engineering-workflow	Advanced	0	1	0	154	0%
ai-revenue-ops-copilot	Advanced	0	1	3	561	0%
ai-agent-application	Beginner	0	0	24	134	n/a
ai-agent-application	Intermediate	0	0	1	154	n/a
ai-engineering-workflow	Beginner	0	0	65	93	n/a
ai-engineering-workflow	Intermediate	0	0	0	157	n/a
ai-revenue-ops-copilot	Intermediate	0	0	1	558	n/a
ai-support-agent-platform	Intermediate	0	0	1	573	n/a
ai-support-agent-platform	Beginner	0	0	17	553	n/a