UCP Playground
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AnthropicAnthropic

Claude Opus 5

Anthropic's latest flagship (Claude Opus 5, succeeding the Opus 4.x line). Newly added — Playground benchmark metrics are still being gathered. The Opus line has historically posted the lowest tool error rate in our benchmark with a conservative, confirm-before-acting checkout style.

Avg tokens per run
162,527
Avg duration
47.6s
Turns to checkout
13.2
Start a run with Claude Opus 5Compare
Checkout9Cart28.8Search68.5Turn efficiency0Token efficiency0
Shopping score
16/100Weak

Scores come from runs on UCP stores, not estimates: every figure is a tool call, a checkout attempt or a store’s answer.

Shopping score breakdown

  • Checkout rate40%9%
  • Cart rate20%28.8%
  • Search rate10%68.5%
  • Turn efficiency15%0%
  • Token efficiency15%0%

31.5% of runs failed with errors.

Top stores

Development stores are hidden.

Store Checkout Cart
store hidden100% 100%
store hidden33.3% 50%
store hidden33.3% 100%
store hidden25% 100%
store hidden25% 25%
tattty.com0% 100%
store hidden0% 33.3%
everlane.com0% 0%
store hidden0% 0%
store hidden0% 0%

Known issues

  • LowMetrics Pending

    Claude Opus 5 was recently added; its Playground benchmark metrics are still being gathered.

Token usage

Avg per run
162,527
Average of all models
77,803
Against the average
+109%
Median (p50)
44,196
p90
292,254

Prompt and completion

Prompt 160,604 (99%)Completion 1,923 (1%)

Daily average tokens per run, last 30 days

Oct 29Total 23,673Prompt 22,662Completion 1,011

Range

Min
0
p25
21,457
p50
44,196
p75
97,383
p90
292,254
Max
5,051,898

Test Claude Opus 5 on your store

Start a run to see how Claude Opus 5 handles your store’s checkout, call by call.

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Compare with other models

Qwen 3.8 Flash 47.1%Llama 3.3 70B 39.3%Gemini 3.5 Flash 37.8%Claude Sonnet 4.6 34.6%Grok 4.3 26.3%Gemini 2.5 Flash 22.5%Claude Opus 4.8 22.3%DeepSeek V3.2 20.4%DeepSeek V4.1 Flash 20%Gemini 2.5 Pro 19.5%Gemini 3.1 Pro 19%GPT-4o 14.7%Grok 3 Mini (Reasoning) 11.1%Claude Sonnet 5 10.8%GPT-5.5 10.4%o4-mini (Reasoning) 8.9%Grok 4.5 7.5%DeepSeek V4 Pro 7.5%DeepSeek V4 Flash 7%Gemini 3.8 Flash 5.6%Gemini 3.6 Flash 5.1%Qwen 3.7 Max 4.8%DeepSeek R1 (Reasoning) 3.4%Kimi K3 3%Llama 4 Maverick 2.2%Gemini 3.7 Flash 0%GPT-6 Luna 0%Muse Spark 1.3 0%QwQ 32B (Reasoning) 0%All models

Rates are checkout rates. Full comparison view