<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>devtake.dev — GPT-5.4</title><description>Articles on devtake.dev covering GPT-5.4.</description><link>https://devtake.dev/</link><language>en-us</language><item><title>DeepSeek locked in the 75% V4-Pro cut. The API now undercuts every Western frontier model.</title><link>https://devtake.dev/article/deepseek-v4-pro-price-cut-permanent/</link><guid isPermaLink="true">https://devtake.dev/article/deepseek-v4-pro-price-cut-permanent/</guid><description>On May 23 DeepSeek told customers the V4-Pro discount becomes its standard price after May 31. Output drops from $3.48 to $0.87 per million tokens.</description><pubDate>Sun, 24 May 2026 10:30:00 GMT</pubDate><category>ai</category><category>deepseek</category><category>ai-models</category><category>llm</category><category>anthropic</category><category>openai</category><category>gemini</category><category>ai-chips</category><category>china</category><author>dieter-morelli</author></item><item><title>Microsoft tested 19 LLMs as document editors. Even the best ones corrupted 25% of the content.</title><link>https://devtake.dev/article/llms-corrupt-documents-delegation-errors/</link><guid isPermaLink="true">https://devtake.dev/article/llms-corrupt-documents-delegation-errors/</guid><description>The DELEGATE-52 benchmark tests AI editing across 52 professional domains. Frontier models corrupt a quarter of document content over long workflows.</description><pubDate>Sun, 10 May 2026 09:00:00 GMT</pubDate><category>ai</category><category>llm</category><category>ai-models</category><category>benchmarks</category><category>microsoft</category><category>delegation</category><category>vibe-coding</category><author>dieter-morelli</author></item><item><title>OpenAI just retired SWE-bench Verified. The headline coding benchmark of 2025 is officially saturated.</title><link>https://devtake.dev/article/openai-retires-swe-bench-verified/</link><guid isPermaLink="true">https://devtake.dev/article/openai-retires-swe-bench-verified/</guid><description>OpenAI says SWE-bench Verified is saturated and contaminated, and 60% of remaining problems are unsolvable. Here&apos;s what comes next, and why every coding leaderboard is suspect.</description><pubDate>Mon, 27 Apr 2026 10:00:00 GMT</pubDate><category>ai</category><category>openai</category><category>swe-bench</category><category>benchmarks</category><category>ai-models</category><category>llm</category><category>ai-coding</category><category>evaluations</category><category>claude-opus</category><author>dieter-morelli</author></item><item><title>DeepSeek V4 lands: 1.6T-param open MoE, 1M-token context, and SWE-bench within 0.2 of Opus 4.6</title><link>https://devtake.dev/article/deepseek-v4-release/</link><guid isPermaLink="true">https://devtake.dev/article/deepseek-v4-release/</guid><description>DeepSeek shipped V4-Pro and V4-Flash under MIT on April 24. V4-Pro hits 80.6% on SWE-bench Verified. V4-Flash is $0.14 in / $0.28 out.</description><pubDate>Fri, 24 Apr 2026 21:30:00 GMT</pubDate><category>ai</category><category>deepseek</category><category>deepseek-v4</category><category>llm</category><category>ai-models</category><category>open-weights</category><category>moe</category><category>benchmarks</category><category>open-source</category><author>dieter-morelli</author></item><item><title>OpenAI shipped GPT-5.5 seven weeks after 5.4. API tokens now cost twice as much.</title><link>https://devtake.dev/article/openai-gpt-5-5-launch/</link><guid isPermaLink="true">https://devtake.dev/article/openai-gpt-5-5-launch/</guid><description>OpenAI released GPT-5.5 (codename Spud) on April 23. The API runs at $5/$30 per million tokens, double GPT-5.4, with Pro at $30/$180.</description><pubDate>Thu, 23 Apr 2026 18:30:00 GMT</pubDate><category>ai</category><category>openai</category><category>gpt-5-5</category><category>chatgpt</category><category>codex</category><category>ai-models</category><category>api-pricing</category><category>llm</category><category>agentic-ai</category><author>dieter-morelli</author></item></channel></rss>