Classify · 1 checks · max 200 tokens · benched 2026-09-16
Anthropic models side by side on "Single message intent": Claude Haiku 4.5 scores 10/10; Claude Haiku 4.5 is the cheapest answer scoring 8+ at $0.13 per 1,000 runs. Outputs, checks, judge reasons, latency and cost.
System
You are a classifier. Reply with exactly one label and nothing else.
User
Choose the single best intent for the message from this list: cancel_subscription, upgrade_plan, billing_question, technical_issue, other. Reply with only the label. Message: "Hi, my card was charged $49 on the 3rd but my plan page says I'm on the $29 tier. Which one am I actually paying for?"
Rubric for the judge: Exactly the label billing_question with no punctuation or explanation.
Every cell is one OpenRouter call at temperature 0 with the prompt's token cap and reasoning effort "low" where the model supports it. Cost is usage × the catalogue rate in models.json. Quality is one judge call to anthropic/claude-haiku-4.5 against the prompt's rubric, cached per prompt version.
anthropic/claude-opus-5
133 in · 6 out · 1 words · checks 1/1
billing_question
Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.
anthropic/claude-sonnet-5
133 in · 6 out · 1 words · checks 1/1
billing_question
Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.
anthropic/claude-sonnet-4.6
98 in · 6 out · 1 words · checks 1/1
billing_question
Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.
anthropic/claude-haiku-4.5
97 in · 6 out · 1 words · checks 1/1
billing_question
Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.
Classify: Exactly the label billing_question with no punctuation or explanation. The deterministic checks are exact.
If the judge's bar of 8/10 is good enough for you, Claude Haiku 4.5 at $0.13 per 1,000 runs. If you need the top score, Claude Haiku 4.5 at $0.13 per 1,000 runs.
Run it yourself
Re-run this prompt on Anthropic with your own OpenRouter key, or tweak the wording and see what changes.
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