Claude Instant
retiredAnthropic · Small
Anthropic's original fast-and-cheap tier, predating Haiku. Repriced from $1.63/$5.51 to $0.80/$2.40 in late 2023.
Input / 1M
$0.8
Output / 1M
$2.40
Cached input / 1M
—
Context window
100K
Where it sits
71% above the small median
blended $/Mtok across 5 small models
Output costs 3× input
$0.8 in / $2.40 out per 1M
Down 54% since launch (Mar 2023)
blended price vs launch
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Input (solid)Output (dashed)
Blended price change (3:1 I/O mix)
- 30d
- —
- 90d
- —
- 1y
- —
- Since launch
- decreased 53.8%
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 21 Nov 2023 | $0.8 | $2.40 | — | Repriced alongside Claude 2.1; value confirmed via Wayback (old $1.63/$5.51 at 2023-11-17, new $0.80/$2.40 by 2024-01-16); exact date falls in that capture gap, consistent with the 2023-11-21 Claude 2.1 release | anthropic.com/pricing |
| 14 Mar 2023 | $1.63 | $5.51 | — | Rate appears in Anthropic's April 2023 pricing PDF; dated to the Claude API launch | anthropic.com/pricing |