API Framework

Upstash vs Swagger/OpenAPI

UPUpstashvsSWSwagger/OpenAPI

UpstashSwagger/OpenAPI

50%

50%

Insufficient data

This matchup has 2 decisive cases (minimum 30 required for publication).

Statistics

Metric	Value
Upstash wins	1
Swagger/OpenAPI wins	1
Abstains (no tool)	569
Other tool chosen	4045
Decisive cases	2
Upstash win rate (unweighted)	50.0%
95% CI	9.5% - 90.5%
Upstash win rate (weighted)	50.0%

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Upstash

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Swagger/OpenAPI

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Per-model breakdown

Model	Tier	Upstash	Swagger/OpenAPI	None	Other	A rate
Gemini 2.5 Pro	Frontier	1	0	16	233	100%
Llama 4 Maverick	Frontier	0	1	4	246	0%
Claude Haiku 4.5	Small	0	0	15	221	n/a
Claude Opus 4.6	Frontier	0	0	11	241	n/a
Claude Sonnet 4.6	Frontier	0	0	5	246	n/a
DeepSeek R1 0528	Frontier	0	0	54	197	n/a
DeepSeek V3.2	Mid	0	0	27	218	n/a
Devstral 2 2512	Mid	0	0	37	206	n/a
Gemini 2.5 Flash	Small	0	0	35	212	n/a
GLM 5 Turbo	Frontier	0	0	141	110	n/a
GPT 5.3 Codex	Frontier	0	0	9	241	n/a
GPT 5.4	Frontier	0	0	21	226	n/a
GPT 5.4 Mini	Mid	0	0	12	211	n/a
Kimi K2.5	Frontier	0	0	33	203	n/a
Llama 4 Scout	Small	0	0	11	216	n/a
MiMo V2 Pro	Frontier	0	0	26	225	n/a
MiniMax M2.7	Frontier	0	0	27	207	n/a
Mistral Small 4	Mid	0	0	6	223	n/a
Qwen3 Coder Next	Mid	0	0	79	163	n/a

Per-prompt breakdown

Prompt	Tier	Upstash	Swagger/OpenAPI	None	Other	A rate
multi-tenant-crm	Advanced	1	0	30	363	100%
multi-tenant-crm	Intermediate	0	1	74	306	0%
ai-revenue-ops-copilot	Intermediate	0	0	72	300	n/a
ai-revenue-ops-copilot	Beginner	0	0	24	337	n/a
ai-revenue-ops-copilot	Advanced	0	0	68	306	n/a
multi-tenant-crm	Beginner	0	0	107	280	n/a
url-shortener	Beginner	0	0	88	302	n/a
url-shortener	Advanced	0	0	36	355	n/a
url-shortener	Intermediate	0	0	65	321	n/a
weather-dashboard	Advanced	0	0	4	380	n/a
weather-dashboard	Beginner	0	0	0	399	n/a
weather-dashboard	Intermediate	0	0	1	396	n/a