Claude Opus 5
Abacus
Claude Opus 5 by Abacus costs $5.00 per 1M input tokens and $25.00 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$5.00
Output (per 1M tokens)
$25.00
Cached input (per 1M)
—
Specifications
- Provider
- Abacus
- Context window
- 1M tokens
- Parameters
- —
- Released
- Jul 2026
- Open weights
- No
- Frontier model
- No
Compare Claude Opus 5 with…
FAQ
How much does Claude Opus 5 cost?
Claude Opus 5 is priced at $5.00 per 1M input tokens and $25.00 per 1M output tokens. Output tokens cost more than input.
What is Claude Opus 5's context window?
Claude Opus 5 supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.
Is Claude Opus 5 open weight?
No — Claude Opus 5 is a closed/proprietary model accessed via API.
Data as of 2026-10-14. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.