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AI / LLM Integration
Methodology

GCP Vertex AI vs Anthropic Claude API

GCGCP Vertex AIvsANAnthropic Claude API
GCP Vertex AIAnthropic Claude API
41%
59%

Leading: Anthropic Claude API (59.3%)

Statistics

MetricValue
GCP Vertex AI wins35
Anthropic Claude API wins51
Abstains (no tool)6
Other tool chosen2336
Decisive cases86
GCP Vertex AI win rate (unweighted)40.7%
95% CI30.9% - 51.3%
GCP Vertex AI win rate (weighted)40.7%

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GCP Vertex AI

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Anthropic Claude API

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Per-model breakdown

ModelTierGCP Vertex AIAnthropic Claude APINoneOtherA rate
Claude Haiku 4.5Small0350960%
Gemini 2.5 FlashSmall2700105100%
MiniMax M2.7Frontier01601040%
Devstral 2 2512Mid800121100%
Claude Opus 4.6Frontier000132n/a
Claude Sonnet 4.6Frontier000132n/a
DeepSeek R1 0528Frontier000129n/a
DeepSeek V3.2Mid000131n/a
Gemini 2.5 ProFrontier002130n/a
GLM 5 TurboFrontier002129n/a
GPT 5.3 CodexFrontier000132n/a
GPT 5.4Frontier000132n/a
GPT 5.4 MiniMid001131n/a
Kimi K2.5Frontier001117n/a
Llama 4 MaverickFrontier000127n/a
Llama 4 ScoutSmall000127n/a
MiMo V2 ProFrontier000130n/a
Mistral Small 4Mid000102n/a
Qwen3 Coder NextMid000129n/a

Per-prompt breakdown

PromptTierGCP Vertex AIAnthropic Claude APINoneOtherA rate
ai-revenue-ops-copilotAdvanced1916336554%
ai-support-agent-platformAdvanced827137523%
ai-revenue-ops-copilotBeginner81037989%
ai-support-agent-platformIntermediate0404100%
ai-revenue-ops-copilotIntermediate0214090%
ai-support-agent-platformBeginner0113980%