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AI Coding Assistant Aider Fails as Anthropic Claude 3 Opus Model is Retired

By PulseAugur Editorial · [1 sources] ·

The AI coding assistant Aider is encountering errors because a configured model, anthropic/claude-3-opus, has been retired by its provider. This issue is not a bug in Aider but rather a consequence of the model's removal from the provider's catalog, leading to a 404 error. Users can resolve this by checking the available models and updating their Aider configuration to use a current model slug, such as anthropic/claude-opus-4.7. AI

IMPACT Users of AI coding assistants may face similar issues if underlying models are retired, requiring configuration updates.

RANK_REASON Article discusses a specific issue with an AI tool (Aider) related to model availability, not a core AI release or research.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

AI Coding Assistant Aider Fails as Anthropic Claude 3 Opus Model is Retired

How we ranked this

Signal score
36 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Article discusses a specific issue with an AI tool (Aider) related to model availability, not a core AI release or research.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, model release
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · MilkyWay008 ·

    Aider Says 'No Endpoints Found' — Your Model Was Retired, Here's How to Fix It

    <p>Your AI coding tool was working fine yesterday. Today it 404s on every request with something like "No endpoints found for anthropic/claude-3-opus." and you're wondering what broke.</p> <p>Nothing broke on your end. The model you had configured was retired by the provider, and…

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