claude-sonnet-5

Claude Sonnet 5 API — price per token

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.

Pricing per 1M tokens

RateOfficial AnthropicHere, 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

Input

Official Anthropic
$3
Here, from (−60%)
$1.2
Here, best (−80%)
$0.6

Output

Official Anthropic
$15
Here, from (−60%)
$6
Here, best (−80%)
$3

Cache read

Official Anthropic
$0.3
Here, from (−60%)
$0.12
Here, best (−80%)
$0.06

Cache write (5m)

Official Anthropic
$3.75
Here, from (−60%)
$1.5
Here, best (−80%)
$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.

Best for

  • Day-to-day coding — the default in most editors.
  • Agentic workflows where Opus cost is not justified.
  • High-volume production API traffic.

Good to know

  • Anthropic lists introductory pricing of $2/$10 per 1M tokens through 2026-08-31; the standard rate is $3/$15.
  • Adaptive thinking is on by default when the thinking parameter is omitted.

How to use Claude Sonnet 5

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.

Frequently asked questions

How much does the Claude Sonnet 5 API cost?

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.

What is the model ID for Claude Sonnet 5?

claude-sonnet-5 — use it as-is in the Anthropic SDK, Claude Code, Cursor, Cline or any compatible tool.

Is Sonnet 5 good enough for coding?

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.