💄 style: Add Claude Haiku 4.5 model

[sxjeru]

💻 Change Type

• ✨ feat
• 🐛 fix
• ♻️ refactor
• 💄 style
• 👷 build
• ⚡️ perf
• ✅ test
• 📝 docs
• 🔨 chore

🔀 Description of Change

https://docs.claude.com/en/docs/about-claude/models/overview

📝 Additional Information

Summary by Sourcery

Register the new Claude Haiku 4.5 chat model in the model bank and update relevant constant sets to support its context caching, tool usage, and parameter conflict resolution.

New Features:

• Add Claude Haiku 4.5 model definition to the aihubmix chat models
• Add Claude Haiku 4.5 model definition to the anthropic chat models

Enhancements:

• Include 'claude-haiku-4-5-20251001' in contextCachingModels set
• Include 'claude-haiku-4-5-20251001' in thinkingWithToolClaudeModels set
• Add 'claude-haiku-4-5-20251001' to MODEL_PARAMETER_CONFLICTS

[vercel]

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[sourcery-ai]

Reviewer's Guide

Introduces the Claude Haiku 4.5 chat model by adding its detailed card to both model banks, updating related constant sets for caching and reasoning, and registering it in parameter conflict definitions.

Entity relationship diagram for updated model sets with Claude Haiku 4.5

erDiagram
    CONTEXT_CACHING_MODELS {
        string id
    }
    THINKING_WITH_TOOL_CLAUDE_MODELS {
        string id
    }
    AIChatModelCard {
        string id
        string displayName
    }
    CONTEXT_CACHING_MODELS ||--o| AIChatModelCard : contains
    THINKING_WITH_TOOL_CLAUDE_MODELS ||--o| AIChatModelCard : contains

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Class diagram for the new Claude Haiku 4.5 model card

classDiagram
    class AIChatModelCard {
        abilities_functionCall: bool
        abilities_reasoning: bool
        abilities_search: bool
        abilities_structuredOutput: bool
        abilities_vision: bool
        contextWindowTokens: int
        description: string
        displayName: string
        enabled: bool
        id: string
        maxOutput: int
        pricing: Pricing
        releasedAt: string
        settings_extendParams: string[]
        settings_searchImpl: string
        type: string
    }
    class Pricing {
        units: PricingUnit[]
    }
    class PricingUnit {
        name: string
        rate: float
        strategy: string
        unit: string
        lookup: Lookup (optional)
    }
    class Lookup {
        prices_1h: float
        prices_5m: float
        pricingParams: string[]
    }
    AIChatModelCard --> Pricing
    Pricing --> PricingUnit
    PricingUnit --> Lookup

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Class diagram for updated MODEL_PARAMETER_CONFLICTS registration

classDiagram
    class MODEL_PARAMETER_CONFLICTS {
        claudeModels: Set<string>
    }
    MODEL_PARAMETER_CONFLICTS : +claude-haiku-4-5-20251001

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File-Level Changes

Change	Details	Files
Add Claude Haiku 4.5 model card entries in model banks	Append full model definition with abilities, tokens, description, displayName, id, and maxOutput Configure pricing units including fixed and lookup strategies Specify release date and custom settings for extended parameters	packages/model-bank/src/aiModels/aihubmix.ts packages/model-bank/src/aiModels/anthropic.ts
Include Claude Haiku 4.5 in context caching and reasoning sets	Insert model ID into contextCachingModels set Insert model ID into thinkingWithToolClaudeModels set	packages/const/src/models.ts
Register Claude Haiku 4.5 in parameter conflict list	Add model ID to MODEL_PARAMETER_CONFLICTS set	packages/model-runtime/src/core/parameterResolver.ts

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[lobehubbot]

👍 @sxjeru

Thank you for raising your pull request and contributing to our Community
Please make sure you have followed our contributing guidelines. We will review it as soon as possible.
If you encounter any problems, please feel free to connect with us.

[gru-agent]

TestGru Assignment

Summary

Link	CommitId	Status	Reason
Detail	526bfd9	✅ Finished

History Assignment

Files

File	Pull Request
packages/model-runtime/src/core/parameterResolver.ts	❌ Failed (I failed to setup the environment.)

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[sourcery-ai]

Hey there - I've reviewed your changes - here's some feedback:

• The new model object is duplicated in both aihubmix.ts and anthropic.ts—consider extracting it into a shared definition to keep maintenance DRY.
• The identifier’s date (20251001) and the releasedAt field (2025-10-16) don’t match up—please confirm the correct release date and align those values.
• You added the model to contextCachingModels and thinkingWithToolClaudeModels, but if it supports streaming or other capabilities you may need to include it in the appropriate sets (e.g. streamingModels).

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The new model object is duplicated in both aihubmix.ts and anthropic.ts—consider extracting it into a shared definition to keep maintenance DRY.
- The identifier’s date (20251001) and the releasedAt field (2025-10-16) don’t match up—please confirm the correct release date and align those values.
- You added the model to contextCachingModels and thinkingWithToolClaudeModels, but if it supports streaming or other capabilities you may need to include it in the appropriate sets (e.g. streamingModels).

---

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.33%. Comparing base (6508e2f) to head (f3c3bf5).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9735      +/-   ##
==========================================
- Coverage   86.33%   86.33%   -0.01%     
==========================================
  Files         870      870              
  Lines       55447    55449       +2     
  Branches     8615     6861    -1754     
==========================================
+ Hits        47869    47870       +1     
- Misses       7578     7579       +1     

Flag	Coverage Δ
app	81.39% <ø> (-0.01%)	⬇️
database	98.31% <ø> (ø)
packages/agent-runtime	99.63% <ø> (ø)
packages/context-engine	93.53% <ø> (ø)
packages/electron-server-ipc	93.76% <ø> (ø)
packages/file-loaders	92.21% <ø> (ø)
packages/model-bank	100.00% <ø> (ø)
packages/model-runtime	94.51% <100.00%> (+<0.01%)	⬆️
packages/prompts	92.27% <ø> (ø)
packages/python-interpreter	96.50% <ø> (ø)
packages/utils	94.80% <ø> (ø)
packages/web-crawler	97.07% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
Store	81.90% <ø> (ø)
Services	61.71% <ø> (ø)
Server	65.51% <ø> (ø)
Libs	51.38% <ø> (-0.05%)	⬇️
Utils	75.00% <ø> (ø)

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Project	Deployment	Preview	Comments	Updated (UTC)
lobe-chat-preview	Ready	Preview	Comment	Oct 16, 2025 1:48pm

[lobehubbot]

❤️ Great PR @sxjeru ❤️

The growth of the project is inseparable from user feedback and contributions, thanks for your contribution! If you are interested in the LobeHub developer community, please join our discord and then dm @arvinxx or @canisminor1990. They will invite you to our private developer channel. We are talking about lobe-chat development and sharing AI newsletters from around the world.

---

This comment was translated by Claude.

Original Content

❤️ Great PR @sxjeru ❤️

The growth of project is inseparable from user feedback and contribution, thanks for your contribution! If you are interesting with the lobehub developer community, please join our discord and then dm @arvinxx or @canisminor1990. They will invite you to our private developer channel. We are talking about the lobe-chat development or sharing ai newsletter around the world.

[lobehubbot]

🎉 This PR is included in version 1.137.10 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀