Chat & Reasoning Model · Anthropic
Claude Opus 5
Claude Opus 5 is Anthropic's newest Opus-tier model for complex agentic coding and enterprise work, succeeding Claude Opus 4.8 at the same price. TeamDay runs it on the Claude Code harness with configurable reasoning effort.
At a glance (verified 2026-07-31)
- Vendor
- Anthropic
- Type
- Chat & Reasoning Model
- Context window
- 1M tokens
- Pricing
- Base: $5 in / $0.50 cache hits / $25 out per 1M tokens. Cache writes: $6.25 5m / $10 1h.
Best for
How to use Claude Opus 5 in TeamDay
Select Claude Opus 5 in TeamDay's chat model picker on the Claude Code harness.
Frequently asked questions
How much does Claude Opus 5 cost per million tokens?
Base pricing is $5 per 1M input tokens, $0.50 for cache hits, and $25 per 1M output tokens; cache writes cost $6.25 (5-minute) or $10 (1-hour) — the same rates as Claude Opus 4.8 before it.
When should I pick Claude Opus 5 over Fable 5?
Opus 5 covers complex agentic coding and enterprise work at half the base input price of Fable 5 ($5 vs $10 per 1M input tokens). Fable 5 remains Anthropic's most capable model for the hardest long-horizon agentic work.
Is Claude Opus 5 available in TeamDay?
Yes — it replaced Claude Opus 4.8 in TeamDay's chat model picker on the Claude Code harness, with reasoning effort selectable from low to max.
Related
- Claude Fable 5 — Chat & Reasoning Model
- Claude Sonnet 5 — Chat & Reasoning Model
- Claude Opus 4.8 — Chat & Reasoning Model
Claude Opus 5is one of the models TeamDay's AI employees already run — no API keys, no infrastructure.
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