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User slams Anthropic's 5.6 Sol models as 'disaster' for coding

A user on Reddit expressed extreme dissatisfaction with Anthropic's "5.6 Sol Ultra and Max" models, describing the experience as an "absolute disaster." The user reported that these models failed to complete basic server configuration tasks for over four hours and did not follow instructions or memory prompts. In contrast, the user praised "Fable 5" for planning and "Claude 4.8" for execution, finding them sharp and effective for coding tasks, and advised against following the hype surrounding the newer "5.6 Sol" models. AI

IMPACT Highlights potential issues with new model versions, suggesting caution for users and developers.

RANK_REASON User feedback on model performance, not an official release or benchmark.

Read on r/Anthropic →

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

User slams Anthropic's 5.6 Sol models as 'disaster' for coding

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Commentary
User feedback on model performance, not an official release or benchmark.
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, opinion
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
47 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/Anthropic TIER_1 English(EN) · /u/Borat_2020 ·

    Handoff from Claude Code to Codex. After more than four hours using 5.6 Sol Ultra and Max, it still hasn’t finished configuring the MCP servers, skills, and other basic settings needed to replicate the same environment. IT IS AN ABSOLUTE DISASTER

    <table> <tr><td> <a href="https://www.reddit.com/r/Anthropic/comments/1uukuhy/handoff_from_claude_code_to_codex_after_more_than/"> <img alt="Handoff from Claude Code to Codex. After more than four hours using 5.6 Sol Ultra and Max, it still hasn’t finished configuring the MCP ser…