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Classify · 6 checks · max 400 tokens · benched 2026-09-16

Qwen3.8 Max (0902) vs Qwen3.8 27B vs Qwen3.8 Flash vs Qwen3.7 Plus on label six support tickets

Alibaba models side by side on "Label six support tickets": Qwen3.8 Flash scores 10/10; Qwen3.8 Flash is the cheapest answer scoring 8+ at $0.16 per 1,000 runs. Outputs, checks, judge reasons, latency and cost.

The prompt every model received

System

You are a classifier. Use only the allowed labels. Reply with JSON only, no prose, no code fences.

User

Classify each ticket into exactly one label from this set: billing, bug, feature_request, account_access. Return a JSON object mapping ticket id to label.

t1: "I was invoiced for 12 seats but we only use 8."
t2: "The export button does nothing when the report has more than 1,000 rows."
t3: "Every time I open the dashboard on Safari the charts render blank."
t4: "It would be great if we could schedule reports to email weekly."
t5: "I reset my password twice and still cannot log in; it says my account is locked."
t6: "Can you add a dark mode to the mobile app?"

Rubric for the judge: All six tickets get the right label from the fixed set, returned as a compact JSON object with no commentary.

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.

Qwen3.8 Max (0902)

qwen/qwen3.8-max-0902

10/10
Latency
1.0s
Cost
$0.00187
Per 1,000
$1.87

216 in · 239 out (202 reasoning) · 1 words · checks 6/6

  • json_valid
  • regex
  • regex
  • regex
  • regex
  • regex
{"t1":"billing","t2":"bug","t3":"bug","t4":"feature_request","t5":"account_access","t6":"feature_request"}

Judge: All six tickets are correctly classified into the specified labels with proper JSON formatting and no extraneous commentary.

Qwen3.8 27B

qwen/qwen3.8-27b

10/10
Latency
413ms
Cost
$0.00069
Per 1,000
$0.69

216 in · 254 out (222 reasoning) · 1 words · checks 6/6

  • json_valid
  • regex
  • regex
  • regex
  • regex
  • regex


{"t1":"billing","t2":"bug","t3":"bug","t4":"feature_request","t5":"account_access","t6":"feature_request"}

Judge: All six tickets are correctly classified into the specified labels with proper JSON formatting and no extraneous commentary.

Qwen3.8 Flash

qwen/qwen3.8-flash

10/10
top judge scorecheapest scoring 8+
Latency
220ms
Cost
$0.00016
Per 1,000
$0.16

190 in · 276 out (249 reasoning) · 1 words · checks 6/6

  • json_valid
  • regex
  • regex
  • regex
  • regex
  • regex


{"t1":"billing","t2":"bug","t3":"bug","t4":"feature_request","t5":"account_access","t6":"feature_request"}

Judge: All six tickets are correctly classified into the specified labels with proper JSON formatting and no extraneous commentary.

Qwen3.7 Plus

qwen/qwen3.7-plus

10/10
Latency
2.3s
Cost
$0.00112
Per 1,000
$1.12

190 in · 826 out (763 reasoning) · 14 words · checks 6/6

  • json_valid
  • regex
  • regex
  • regex
  • regex
  • regex
{
  "t1": "billing",
  "t2": "bug",
  "t3": "bug",
  "t4": "feature_request",
  "t5": "account_access",
  "t6": "feature_request"
}

Judge: All six tickets are correctly classified into the specified labels, returned as a compact JSON object with no extra commentary.

Frequently asked

What does this prompt test?

Classify: All six tickets get the right label from the fixed set, returned as a compact JSON object with no commentary. The deterministic checks are json_valid, regex, regex, regex, regex, regex.

Which model should I pick for this task?

If the judge's bar of 8/10 is good enough for you, Qwen3.8 Flash at $0.16 per 1,000 runs. If you need the top score, Qwen3.8 Flash at $0.16 per 1,000 runs.

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