Fast models: Gemini 3.5 Flash vs GPT-5.4 Mini vs GPT-5.4 Nano (support triage)

Created May 20, 2026, 11:46 PM

Expires in 4 days

Prompt

You are a support-triage classifier. Read the customer message below and respond with a single JSON object — no prose, no code fences, no commentary. Schema: { "category": "billing" | "bug" | "feature_request" | "account" | "other", "severity": "low" | "medium" | "high" | "urgent", "sentiment": "positive" | "neutral" | "negative", "needs_human": boolean, "summary": string (max 120 chars), "suggested_reply": string (max 280 chars) } Customer message: "Hi — I was charged twice for the Pro plan this month ($29 on the 3rd and again on the 17th). I checked the dashboard and it says I'm on the Free tier?? I have a demo with my team tomorrow morning and I need the AI features working. Please fix this ASAP, this is the second time this has happened and I'm honestly thinking about cancelling."

Responses with Fast models: Gemini 3.5 Flash vs GPT-5.4 Mini vs GPT-5.4 Nano (support triage) (1 rows)

gemini-3.5-flash

google/gemini-3.5-flash

5.95sSlowest by 4x$0.011Priciest by 66x

{ "category": "billing", "severity": "urgent", "sentiment": "negative", "needs_human": true, "summary": "Charged twice for Pro plan but account shows Free tier; needs immediate access restored for a demo tomorrow.", "suggested_reply": "Hi, I'm so sorry for this issue. I see you were charged twice and your account is showing as Free. I've escalated this to our priority support team to immediately restore your Pro access for your demo tomorrow and refund the extra charge. We'll get this sorted out ASAP." }

gpt-5.4-mini

openai/gpt-5.4-mini

1.57s$0.00055

{"category":"billing","severity":"urgent","sentiment":"negative","needs_human":true,"summary":"Duplicate Pro charges and dashboard shows Free tier; AI features needed for demo tomorrow.","suggested_reply":"Sorry about this—I've flagged your duplicate charge and tier mismatch for urgent review. Please share the account email and the last 4 digits of the card so we can investigate and restore access ASAP."}

gpt-5.4-nano

openai/gpt-5.4-nano

1.44sFastest by 4x$0.00017Cheapest by 66x

{ "category": "billing", "severity": "urgent", "sentiment": "negative", "needs_human": true, "summary": "Charged twice for Pro; dashboard shows Free; needs AI features working before demo", "suggested_reply": "Sorry for the trouble. We’re escalating to billing to review duplicate Pro charges and your plan status. Please share receipt IDs and the email on your account so we can fix ASAP." }

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