How much do 1,000 short chat messages cost?
Scenario: 1,000 exchanges of about 500 input and 200 output tokens each.
| Tier | Cost |
|---|---|
| Flash | $1.48 |
| Max | $1.66 |
| Heavy | $1.88 |
Longer chats cost more per message, because earlier turns are sent again as input each time.
How it's calculated: input tokens × input price + output tokens × output price, per 1M tokens, rounded up per call to the next millionth of a dollar. Prices: Flash $1.60 / $3.40, Max $1.80 / $3.80, Heavy $2.00 / $4.40; prompts over 262K tokens bill their whole input at 1.5×. These are estimates from the list prices; Max and Heavy usually write more output tokens than Flash for the same task because they reason first.
See How much does SuperCosmos cost?.
Good to know#
- Line Code was retired on Nov 1, 2026; its ids answer
410 model_retired. Line Code retirement - Clatter Labs publishes its measurements of honesty, coding, efficiency and purity. Benchmark 2 results
- SuperCosmos reads text only; it doesn't take image input. What it can't do
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