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Classify · 1 checks · max 200 tokens · benched 2026-09-16

Kimi K3 vs Kimi K2.7 Code vs Kimi K2.6 vs Kimi K2.5 on single message intent

Moonshotai models side by side on "Single message intent": Kimi K2.5 scores 10/10; Kimi K2.5 is the cheapest answer scoring 8+ at $0.47 per 1,000 runs. Outputs, checks, judge reasons, latency and cost.

The prompt every model received

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.

Side by side

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.

Kimi K3

moonshotai/kimi-k3

10/10
Latency
904ms
Cost
$0.00064
Per 1,000
$0.64

179 in · 51 out (37 reasoning) · 1 words · checks 1/1

  • exact
billing_question

Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.

Kimi K2.7 Code

moonshotai/kimi-k2.7-code

10/10
Latency
673ms
Cost
$0.00057
Per 1,000
$0.57

94 in · 144 out (142 reasoning) · 1 words · checks 1/1

  • exact
billing_question

Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.

Kimi K2.6

moonshotai/kimi-k2.6

10/10
Latency
972ms
Cost
$0.00077
Per 1,000
$0.77

94 in · 170 out (166 reasoning) · 1 words · checks 1/1

  • exact
billing_question

Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.

Kimi K2.5

moonshotai/kimi-k2.5

10/10
top judge scorecheapest scoring 8+
Latency
857ms
Cost
$0.00047
Per 1,000
$0.47

94 in · 192 out (190 reasoning) · 1 words · checks 1/1

  • exact
billing_question

Judge: Output is exactly 'billing_question' with no punctuation or explanation, perfectly matching the rubric requirements.

Frequently asked

What does this prompt test?

Classify: Exactly the label billing_question with no punctuation or explanation. The deterministic checks are exact.

Which model should I pick for this task?

If the judge's bar of 8/10 is good enough for you, Kimi K2.5 at $0.47 per 1,000 runs. If you need the top score, Kimi K2.5 at $0.47 per 1,000 runs.

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