Claude Opus 4.8 (Fast)
Anthropic
Opus 4.8 is a focused upgrade to Opus 4.7 and is Anthropic's best generally available model for coding, agentic tasks, and enterprise workflows. It builds on the strengths of previous Opus models with stronger performance on complex, multi-step coding tasks. Anthropic recommends using it on long-horizon coding and agentic tasks. It is also stronger on professional work, including document drafting, data analysis, and presentations.
- Language
- Tool use
- Reasoning
- Vision
- File input
- Explicit caching
- Web search
- Fast
- Context
- 1M
- Max output
- 128K
- Input / 1M
- $10.00
- Output / 1M
- $50.00
Quickstart
Point any OpenAI-compatible client at Maxynetic Systems and pass anthropic/claude-opus-4.8-fast as the model.
curl https://api.maxynetic.com/v1/chat/completions \
-H "Authorization: Bearer $MAXYNETIC_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "anthropic/claude-opus-4.8-fast",
"messages": [{ "role": "user", "content": "Explain routing in one line." }]
}'Pricing
Billed per token with no markup on the underlying provider rate.
Input
Per 1M prompt tokens
$10.00
Output
Per 1M completion tokens
$50.00
Cache read
Per 1M cached prompt tokens
$1.00
Cache write
Per 1M tokens written to cache
$12.50
A 1M-token prompt with 250K tokens of output costs about $22.50.