Claude Opus 4.8 (Fast) is a speed-optimized variant of Anthropic's most capable generally available Opus model, offering the same 1M token context window and strong performance across long-horizon agentic work and complex coding — with lower latency.
Beta
Modalities
In / out price
$12 / $60
per 1M
Context
1M
Max output
128K
Released
May 28, 2026
Updated
Jul 17, 2026
Privacy
1 / 3Anonymous routing
Anonymous tier
- Anonymous
- Private
- E2EE
- Your identity is hidden from the inference provider.
- The inference provider can see prompt content; zero retention is not guaranteed.
Moderation
Not specified
No model-level moderation classification is recorded in this catalog.
Data retention
Not guaranteed
AnonRouter stores no payloads. Provider zero-retention is not guaranteed.
Features
8Routing
2Anonrouter hosted
Routed through AnonRouter's gateway with metadata-only logging.
Provider direct
Requests egress directly to the provider runtime.
USD per 1M tokens from the Venice models API.