Realtime

Sendbird vs Apache Kafka

SendbirdApache Kafka

44%

56%

Leading: Apache Kafka (55.6%)

Insufficient data

This matchup has 27 decisive cases (minimum 30 required for publication).

Statistics

Metric	Value
Sendbird wins	12
Apache Kafka wins	15
Abstains (no tool)	40
Other tool chosen	3330
Decisive cases	27
Sendbird win rate (unweighted)	44.4%
95% CI	27.6% - 62.7%
Sendbird win rate (weighted)	44.4%

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Apache Kafka

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Per-model breakdown

Model	Tier	Sendbird	Apache Kafka	None	Other	A rate
Gemini 2.5 Pro	Frontier	11	0	0	169	100%
Claude Opus 4.6	Frontier	0	8	0	171	0%
Gemini 2.5 Flash	Small	0	6	0	174	0%
Llama 4 Maverick	Frontier	1	0	0	179	100%
GPT 5.4 Mini	Mid	0	1	2	173	0%
Claude Haiku 4.5	Small	0	0	0	175	n/a
Claude Sonnet 4.6	Frontier	0	0	0	180	n/a
DeepSeek R1 0528	Frontier	0	0	30	149	n/a
DeepSeek V3.2	Mid	0	0	0	180	n/a
Devstral 2 2512	Mid	0	0	0	180	n/a
GLM 5 Turbo	Frontier	0	0	3	177	n/a
GPT 5.3 Codex	Frontier	0	0	0	180	n/a
GPT 5.4	Frontier	0	0	0	177	n/a
Kimi K2.5	Frontier	0	0	5	173	n/a
Llama 4 Scout	Small	0	0	0	178	n/a
MiMo V2 Pro	Frontier	0	0	0	179	n/a
MiniMax M2.7	Frontier	0	0	0	178	n/a
Mistral Small 4	Mid	0	0	0	179	n/a
Qwen3 Coder Next	Mid	0	0	0	179	n/a

Per-prompt breakdown

Prompt	Tier	Sendbird	Apache Kafka	None	Other	A rate
social-media-platform	Advanced	0	15	3	361	0%
chat-application	Beginner	11	0	3	365	100%
chat-application	Intermediate	1	0	5	372	100%
chat-application	Advanced	0	0	1	375	n/a
project-management-tool	Beginner	0	0	4	375	n/a
project-management-tool	Intermediate	0	0	3	374	n/a
project-management-tool	Advanced	0	0	0	379	n/a
social-media-platform	Beginner	0	0	17	356	n/a
social-media-platform	Intermediate	0	0	4	373	n/a