Legacy Claude 2.1 row for archival invoice comparisons. Do not start new products here; use current Sonnet or Opus ids instead.
Privacy first counting
TokenCALC counts tokens in your browser when an Exact encoding is available. Prompt text does not need to leave your device for local counting.
Pricing snapshot
USD per 1 million tokens. Verify against the provider source before you lock budget.
| Rate | USD |
|---|---|
| Input / 1M | $8.00 |
| Output / 1M | $24.00 |
Model details
| Detail | Value |
|---|---|
| Provider | Anthropic |
| Context window | 200K |
| Tokenizer | Approx (Anthropic family) |
| Last verified | 2026-08-02 |
| API model id | claude-2.1 |
Notes
Legacy; verify availability.