Coding
8 entries between March 2026 and September 2026.
Every entry
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OpenAI DevDay 2026: the developer launches
At DevDay 2026, OpenAI put the Agents API into public beta with hosted execution, memory and multi-agent support, added computer use, previewed the Decisions API, shipped Codex in the cloud, and launched plugin extensions and Sign in with ChatGPT.
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Anthropic releases Claude Sonnet 5.5
On 28 September 2026 Anthropic released Claude Sonnet 5.5 at $2 input and $10 output per million tokens, with 1M-token context and 128K max output. It runs on the Claude Platform, AWS, Google Cloud and Microsoft Foundry, and GitHub added it to Copilot the same day.
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Anthropic launches Claude Opus 5.5
On 22 September 2026 Anthropic released Claude Opus 5.5, an efficiency-focused update aimed at agentic coding and large migrations, priced well below the Opus 5 flagship.
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OpenAI adds cheaper GPT-6 Sol and Luna tiers
On 22 September 2026 OpenAI released GPT-6 Sol and GPT-6 Luna, mid and budget tiers of the GPT-6 family priced at half the GPT-5.6 promotional rates, aimed at coding and high-volume work.
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TypeSafe launches Jev, a model family built for deep work
On 18 September 2026 TypeSafe released Jev, a new model built for extended independent work, alongside its System One models; developers reported strong coding results within days.
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Anthropic redesigns Claude Projects around one conversation
Anthropic redesigned Projects in Claude Code into one ongoing conversation with a coordinator. Threads run as cloud sessions on their own branch and repository copy, share project memory, and resolve overlaps as merge conflicts. The beta reaches select Pro and Max cloud users.
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OpenAI launches GPT-6 Astra
On 3 September 2026 OpenAI released GPT-6 Astra, presented as the company’s most capable model to date, with advanced computer use, coding, cybersecurity and science abilities.
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Pseudonymous developer releases open-source agent platform Paperclip
In March 2026 the pseudonymous developer @dotta released Paperclip, an open-source multi-agent orchestration platform under the MIT license. The project copyright is held by Paperclip Labs, Inc.