Claude Code Verified
Key insights
Concrete technical or product signals.
- Anthropic's product FAQ says fast mode is available in research preview on Claude Code, on consumption-based plans, and via usage credits on subscription plans.
- The local terminal client talks to the model API and asks before changing files or running commands. Cloud and mobile sessions are separate surfaces on the same product page.
- Claude Code's haiku alias on the Anthropic API resolves to Haiku 5.5. Use Claude Code v2.1.293 or later. On Claude Platform on AWS, Bedrock, Google Cloud's Agent Platform, and Microsoft Foundry, the haiku alias can still resolve to Haiku 4.5.
- Monthly Claude Platform API credits on Max and Team plans do not cover interactive Claude Code.
Use cases
Where this shines in production.
- Repository bug fixes and tests
- Multi-hour refactors
- Issue-to-pull-request work from Slack or the terminal
Limitations & trade-offs
What to watch for.
- Fast mode pricing on the product page is specifically for Opus 5.5. Do not apply the $8/$40 rate to other Claude models.
- Usage limits apply on subscription plans. Anthropic says prices can change.
Models referenced
Declared model dependencies or integrations.
Claude Opus 5.5, current Claude models, Claude Haiku 5.5, Claude Sonnet 5.5
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Claude Code FAQ
What is Claude Code?
Claude Code is Anthropic's coding agent for the terminal, VS Code, JetBrains, Slack, GitHub, the web, and the iOS and Android apps. It plans work, edits a repository, runs commands after permission, and can open pull requests. Access is through Claude Pro, Max, Team, or Enterprise, or a Claude Console account. Console use is billed at standard Claude API token rates. Fast mode is a research preview for Opus 5.5 that Anthropic prices at $8 input and $40 output per million tokens, described as 2.5 times faster.
When should teams use Claude Code?
Repository bug fixes and tests
What should teams watch out for with Claude Code?
Fast mode pricing on the product page is specifically for Opus 5.5. Do not apply the $8/$40 rate to other Claude models.
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