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MiniMax M3.1 Flash migration issues detailed on AIHubMix

By PulseAugur Editorial · [1 sources] ·

A technical post details issues encountered when migrating from MiniMax M2.7 to M3.1 Flash via the AIHubMix platform. Specifically, disabling the "thinking" feature in chat completions resulted in an HTTP 400 error with code 2013, indicating that the M3.1 Flash model requires adaptive thinking. The post also notes that other methods of disabling thinking still resulted in the model processing information, albeit with varying token usage and execution times. Additionally, a separate issue was identified where image uploads via URL failed, while base64 encoded images or URLs from other hosts succeeded, both instances returning a 2013 error code. AI

IMPACT Highlights potential integration challenges and model behavior changes for developers using MiniMax models via third-party platforms.

RANK_REASON Technical documentation of issues encountered with a specific model version and platform.

Read on dev.to — LLM tag →

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

MiniMax M3.1 Flash migration issues detailed on AIHubMix

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38 / 100
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Technical documentation of issues encountered with a specific model version and platform.
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High
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COVERAGE [1]

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

    Fixing "requires adaptive thinking" (2013) When Moving from MiniMax M2.7 to M3.1 Flash

    <p><strong>Result first.</strong> We sent M2.x-style requests to MiniMax M3.1 Flash through AIHubMix on 19 October 2026. Three things broke or changed:</p> <ol> <li>Disabling thinking on Chat Completions returns <strong>HTTP 400, code 2013, "requires adaptive thinking"</strong>.<…

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