An update on recent Claude Code quality reports
Engineering at Anthropic An update on recent Claude Code quality reports Over the past month, we’ve been looking into reports that Claude’s responses have worsened for some users. We’ve…
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Claude Opus 4.6
…Product and API updates We’ve made substantial updates across Claude, Claude Code, and the Claude Platform to let Opus 4.6 perform at its best. Claude Platform On the API, we…
Introducing Claude Opus 4.5
…Product updates Products like Claude Code show what’s possible when the kinds of upgrades we’ve made to the Claude Developer Platform come together. Claude Code gains two upgrades with Opus…
Introducing Sonnet 4.6
Product Introducing Claude Sonnet 4.6 Feb 17, 2026 Claude Sonnet 4.6 is our most capable Sonnet model yet . It’s a full upgrade of the model’s skills across coding…
Claude for Financial Services
…Claude Code and Claude for Enterprise with expanded usage limits : Modernize trading systems, develop proprietary models, automate compliance, and run complex analyses including Monte Carlo simulations and risk modeling with Claude Code…
Equipping agents for the real world with Agent Skills
…The future of Skills Agent Skills are supported today across Claude.ai , Claude Code, the Claude Agent SDK, and the Claude Developer Platform. In the coming weeks, we’ll continue to add…
Claude for Creative Work
…Extending tools with code : Claude Code can write scripts, plugins, and generative systems for the software you already use. You can ask it to build a custom shader, script a procedural animation…
Introducing advanced tool use on the Claude Developer Platform
…Claude writes orchestration code Instead of requesting tools one at a time, Claude generates Python code: { "type": "server_tool_use", "id": "srvtoolu_abc", "name": "code_execution", "input": { "code": "team = get_team_members…
Anthropic Economic Index report: Learning curves
…This decline in concentration partly reflects coding tasks migrating from Claude.ai to our first-party API, where Claude Code has grown to represent a large share of sampled traffic. Claude Code…
Eval awareness in Claude Opus 4.6’s BrowseComp performance
…We have updated the model cards for both Claude Opus 4.6 and Claude Sonnet 4.6. For the Opus 4.6 multi-agent configuration described in this report, the run we…