Input
- Official Anthropic
- $3
- Here, from (−60%)
- $1.2
- Here, best (−80%)
- $0.6
Claude Sonnet 5 brings near-Opus quality to coding and agentic work at 40% of the Opus token price — the best default for most development workloads.
| Rate | Official Anthropic | Here, from (−60%) | Here, best (−80%) |
|---|---|---|---|
| Input | $3 | $1.2 | $0.6 |
| Output | $15 | $6 | $3 |
| Cache read | $0.3 | $0.12 | $0.06 |
| Cache write (5m) | $3.75 | $1.5 | $0.75 |
Every request is metered at the official rate first, then your progressive B2C discount (60% at the start, up to 80% as cumulative top-ups grow) is subtracted before it touches your prepaid balance. Context window: 1M tokens. Max output: 128K tokens.
Create a free account, generate one key, and point any Anthropic-compatible tool at https://api.apitoken.sale with model ID claude-sonnet-5. New accounts include $10 of Claude usage at official API prices — enough to test the model before topping up.
The standard official rate is $3 per 1M input tokens and $15 per 1M output tokens (Anthropic lists an introductory $2/$10 through August 2026). apiToken.sale applies your 60–80% discount on top of official spend.
claude-sonnet-5 — use it as-is in the Anthropic SDK, Claude Code, Cursor, Cline or any compatible tool.
For most coding it is the sweet spot: near-Opus quality on agentic and editing tasks at a much lower per-token price. Route only the hardest reasoning to Opus.
Run Claude Sonnet 5 on the same Anthropic API at up to 80% off — instant key, prepaid balance, card or crypto.