Pricing comparison
Claude Opus 4.7 vs Claude Sonnet 4.5
Per-token pricing, full-workload cost ladders, and monthly volume projections. Numbers sourced directly from each provider's rate card.
Anthropic
Claude Opus 4.7
- Input
- $5.00 / 1M
- Output
- $25.00 / 1M
- Cached input
- -
- Context
- 1M
- Max output
- 128K
Anthropic
Claude Sonnet 4.5
- Input
- $3.00 / 1M
- Output
- $15.00 / 1M
- Cached input
- -
- Context
- 200K
- Max output
- 64K
Cost per request
Four common workload shapes, input tokens and a 1:2 output ratio (a standard chat/completion pattern). Long-context surcharges apply automatically where the provider charges them.
| Scenario | Tokens (in / out) | Claude Opus 4.7 | Claude Sonnet 4.5 | Winner |
|---|---|---|---|---|
| Short prompt | 100 / 200 | $0.0063 | $0.0033 | Claude Sonnet 4.5 |
| Typical request | 1,000 / 2,000 | $0.0633 | $0.0330 | Claude Sonnet 4.5 |
| Long document | 10,000 / 5,000 | $0.2012 | $0.1050 | Claude Sonnet 4.5 |
| Large prompt | 100,000 / 10,000 | $0.8625 | $0.4500 | Claude Sonnet 4.5 |
Monthly bill at scale
Projected monthly cost at typical request volume, assuming the "typical request" shape above (1k in, 2k out).
| Traffic | Req / month | Claude Opus 4.7 | Claude Sonnet 4.5 | Delta |
|---|---|---|---|---|
| Small SaaS | 1,000 | $63.25 | $33.00 | Claude Sonnet 4.5 -$30.25 |
| Growing product | 10,000 | $632.50 | $330.00 | Claude Sonnet 4.5 -$302.50 |
| Heavy usage | 100,000 | $6,325 | $3,300 | Claude Sonnet 4.5 -$3,025 |
Which should you use?
For the typical chat-shape request (~1k input, 2k output), Claude Sonnet 4.5 comes out 92% cheaper. If you're picking one as the default, that's usually the right choice on cost alone.
Claude Sonnet 4.5 wins on both sides of the bill - cheaper input and cheaper output. If the quality gap is in your favour, there's no cost argument for the other side.
Context window differs: Claude Opus 4.7 holds 1M of input vs 200K on the other side. If you regularly push past the smaller ceiling, the comparison ends there.
Live cost calculator
Type in any token counts - both prices update instantly. Uses base input/output rates (no cache discount, no long-context tier).
Claude Opus 4.7
$0.0201
per request
Claude Sonnet 4.5
$0.0105
per request
Try both in the estimator →
Drop your actual prompt in, tokens are counted with the provider's own tokenizer, and the dollar number matches what lands on your invoice.
Frequently asked
- Which is cheaper, Claude Opus 4.7 or Claude Sonnet 4.5?
- On a typical 1,000-input / 2,000-output request, Claude Sonnet 4.5 costs ~$0.0330 vs ~$0.0633 on Claude Opus 4.7. Input or output rates can flip the answer for very lopsided workloads - see the cost ladder above.
- What's the difference in per-token pricing?
- Claude Opus 4.7 charges $5.00 per 1M input tokens and $25.00 per 1M output tokens. Claude Sonnet 4.5 charges $3.00 / $15.00 per 1M.
- Which has the bigger context window?
- Claude Opus 4.7 is larger (1M) vs 200K on the other.
- How fresh is this comparison?
- Claude Opus 4.7 was re-verified on 2026-04-17 and Claude Sonnet 4.5 on 2026-04-06 against each provider's published rate card. Calcis re-checks every row on a rolling schedule and re-deploys when a provider changes pricing.
Claude Opus 4.7 verified 2026-04-17 · Claude Sonnet 4.5 verified 2026-04-06. Rate cards at Anthropic.