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        <title>Kingy AI · AI Stack Change Radar</title>
        <link>https://kingy.ai/ai-stack-change-radar/</link>
        <description>Verified model, product and API changes across AI vendors.</description>
        <lastBuildDate>Sun, 26 Jul 2026 23:12:47 +0000</lastBuildDate>
                    <item>
                <title>Gemini changes sampling and turn-validation rules for new models</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925945</link>
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                <pubDate>Sun, 26 Jul 2026 20:47:40 +0000</pubDate>
                <description><![CDATA[Google deprecated temperature, top_p and top_k on its newest Gemini models and no longer supports prefilled model turns. Action: Remove temperature, top_p and top_k; remove prefilled model turns; update migration tests for 400 responses.]]></description>
            </item>
                    <item>
                <title>Anthropic deprecates non-default sampling controls on newer Claude models</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925939</link>
                <guid isPermaLink="false">kingy-stack-change-925939</guid>
                <pubDate>Sun, 26 Jul 2026 20:47:40 +0000</pubDate>
                <description><![CDATA[Anthropic says non-default temperature, top_p and top_k values return a 400 error on Claude Opus 4.7 and later models. Action: Remove temperature, top_p and top_k overrides from affected requests and use prompting to guide behavior.]]></description>
            </item>
                    <item>
                <title>Anthropic will retire Claude Opus 4.1 on August 5</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925937</link>
                <guid isPermaLink="false">kingy-stack-change-925937</guid>
                <pubDate>Sun, 26 Jul 2026 20:47:40 +0000</pubDate>
                <description><![CDATA[Anthropic deprecated claude-opus-4-1-20250805 and set August 5, 2026 as its Claude API retirement date. Action: Replace the model ID with claude-opus-4-8 and test prompts, tool calls, output quality and operating cost before retirement.]]></description>
            </item>
                    <item>
                <title>Google will shut down three Imagen 4 API models August 17</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925943</link>
                <guid isPermaLink="false">kingy-stack-change-925943</guid>
                <pubDate>Sun, 26 Jul 2026 20:47:40 +0000</pubDate>
                <description><![CDATA[Google is deprecating three stable Imagen 4 API model IDs and lists August 17, 2026 as their shutdown date. Action: Switch to gemini-3.1-flash-image and test image quality, safety handling, aspect ratios and cost before shutdown.]]></description>
            </item>
                    <item>
                <title>OpenAI Assistants API reaches its migration deadline August 26</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925935</link>
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                <pubDate>Sun, 26 Jul 2026 20:47:40 +0000</pubDate>
                <description><![CDATA[OpenAI will remove the Assistants API on August 26, 2026, one year after notifying developers of its deprecation. Action: Complete migration to the Responses API and Conversations API, including tool and thread-state tests, before shutdown.]]></description>
            </item>
                    <item>
                <title>Google lists October 16 as Gemini 2.5 Pro’s earliest possible shutdown date</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925941</link>
                <guid isPermaLink="false">kingy-stack-change-925941</guid>
                <pubDate>Sun, 26 Jul 2026 20:47:40 +0000</pubDate>
                <description><![CDATA[Google lists October 16, 2026 as the Gemini 2.5 Pro shutdown date and recommends gemini-3.1-pro-preview. Action: Move workloads to gemini-3.1-pro-preview and validate preview-model suitability, behavior and capacity before cutover.]]></description>
            </item>
                    <item>
                <title>OpenAI Agent Builder is scheduled to shut down November 30</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925931</link>
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                <pubDate>Sun, 26 Jul 2026 20:47:39 +0000</pubDate>
                <description><![CDATA[OpenAI deprecated Agent Builder on June 3 and scheduled the product to shut down on November 30, 2026. ChatKit remains available. Action: Inventory Agent Builder workflows and migrate them to the Agents SDK or ChatGPT Workspace Agents before shutdown.]]></description>
            </item>
                    <item>
                <title>Older OpenAI GPT Image models will leave the API December 1</title>
                <link>https://kingy.ai/ai-stack-change-radar/#event-925933</link>
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                <pubDate>Sun, 26 Jul 2026 20:47:39 +0000</pubDate>
                <description><![CDATA[OpenAI deprecated gpt-image-1-mini, gpt-image-1.5 and chatgpt-image-latest and will remove them from the API on December 1, 2026. Action: Change image-generation integrations to gpt-image-2 and regression-test output, latency and cost before the deadline.]]></description>
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