claude opus 4.1 context window github - Brave Search

anthropic.com › claude › opus

Claude Opus 4.5

Claude Opus 4.5 delivers high-quality code and excels at powering heavy-duty agentic workflows with GitHub Copilot.

github.com › orgs › community › discussions › 169102

Request: Enable Claude Opus 4.1 and Claude Opus 4 in Agent Mode for Pro+ Users · community · Discussion #169102

Continue.dev: Exactly my current workaround! It does provide excellent Claude Opus 4.1 access with proper multi-file context, which is why I mentioned it as competition to GitHub Copilot.

Videos

Claude Just 5x'd Its Context Window - YouTube

August 14, 2025

New SONNET 4 Update: FINALLY Claude Has 1 MIL CONTEXT WINDOW - YouTube

August 12, 2025

Context Engineering Just Got a HUGE Upgrade (Claude Code Opus 4.1) ...

Claude 4 Opus VS Google DeepThink: Who Wins? - YouTube

Mastering Context Engineering with Claude (Do This Now) - YouTube

Cursor, Droid, Claude: Why Your Agent Forgets Rules - YouTube

anthropic.com › news › claude-opus-4-1

Claude Opus 4.1

Opus 4.1 advances our state-of-the-art coding performance to 74.5% on SWE-bench Verified. It also improves Claude’s in-depth research and data analysis skills, especially around detail tracking and agentic search. GitHub notes that Claude Opus 4.1 improves across most capabilities relative ...

insightpulse.liceron.in › article › github-copilot-claude-opus-4-1-integration

GitHub Copilot Integrates Claude Opus 4.1: A New Era for AI-Assisted Development | Insight Pulse

GitHub Copilot now features Claude Opus 4.1, enhancing AI-assisted coding with advanced reasoning and longer context windows. This integration aims to boost developer productivity and streamline complex coding tasks.

reddit.com › r/claudeai › meet claude opus 4.1

r/ClaudeAI on Reddit: Meet Claude Opus 4.1

August 5, 2025 -

Today we're releasing Claude Opus 4.1, an upgrade to Claude Opus 4 on agentic tasks, real-world coding, and reasoning.

We plan to release substantially larger improvements to our models in the coming weeks.

Opus 4.1 is now available to paid Claude users and in Claude Code. It's also on our API, Amazon Bedrock, and Google Cloud's Vertex AI.

https://www.anthropic.com/news/claude-opus-4-1

Week later Anthropic checks highest volume user: Sam "Alterman"

That's coming exactly at the right time, when I need to do a large refactor. Luckily I postponed it and didn't do it yesterday.

platform.claude.com › docs › en › about-claude › models › whats-new-claude-4-5

What's new in Claude 4.5 - Claude Docs

Combined with more effective context window usage and our new context management API features, the model optimally handles information across extended sessions to maintain coherence over time. Context awareness is available in Claude Sonnet 4, Sonnet 4.5, Haiku 4.5, Opus 4, Opus 4.1, and Opus 4.5.

reddit.com › r/githubcopilot › opus 4.5 via github is just 144k context window

r/GithubCopilot on Reddit: Opus 4.5 via GitHub is just 144K context window

1 month ago -

Beware for this limitation.

EDIT: Apparently I counted the wrong value, it’s 128K.

Don't believe there is a single model with full context window just FYI.

I thought it was 128k for all models

composio.dev › blog › openai-gpt-5-vs-claude-opus-4-1-a-coding-comparison

OpenAI GPT-5 vs. Claude Opus 4.1: A coding comparison - Composio

All the generated code from this ... $7.58 (~2.3×) for converting Figma design to code. Claude Opus 4.1 comes with a 200K token context window....

reddit.com › r/claudecode › since when does opus 4.1 has a 200k context window?

Since when does Opus 4.1 has a 200k context window? : r/ClaudeCode

September 10, 2025 - Also if you're using MCPs that have CLI equivalents like GitHub or Playwright then you are wasting tokens on inferior versions of the products. ... This is happening to me as well. Have been using Claude Opus for 12 hours a day for about 4 months straight and have never had an issue, now suddenly after one prompt, it's needing to compact after just planning, not even coding. Somthing is up for sure. Continue this thread Continue this thread ... It has never had a 1 million context window...

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reddit.com › r/githubcopilot › what is claude 4 sonnet's context window, when using github copilot?

r/GithubCopilot on Reddit: What is Claude 4 Sonnet's context window, when using Github Copilot?

May 29, 2025 -

I am feeling that the context window allowed by Github Copilot is dramatically smaller than Anthropic's 200K context window.

Does anyone know what is the actual context window allowed in Github Copilot?

You are absolutely correct! Summarizing Conversation History I see the issue now Summarizing Conversation History You're absolutely right! Summarizing Conversation History

Pretty sure copilot limits all models to 32k. Allegedly they are trying to increase it.

Microsoft Azure

azure.microsoft.com › blog home › ai + machine learning › introducing claude opus 4.5 in microsoft foundry

Introducing Claude Opus 4.5 in Microsoft Foundry | Microsoft Azure Blog

1 month ago - Anthropic’s newest model, Claude Opus 4.5, embodies that shift. Today, we are excited to share that Opus 4.5 is now available in public preview in Microsoft Foundry, GitHub Copilot paid plans, and Microsoft Copilot Studio.

LLM Leaderboard

llm-stats.com › blog › research › claude-opus-4.5-launch

Claude Opus 4.5: Complete Guide, Pricing, Context Window, Benchmarks, and API

2 weeks ago - This benchmark tests AI on real GitHub issues: understanding codebases, identifying bugs, implementing fixes. ... Opus 4.5 also leads in 7 of 8 languages on SWE-bench Multilingual, showing consistent strength across programming ecosystems. ... import anthropic client = anthropic.Anthropic() message = client.messages.create( model="claude-opus-4-5-20251101", max_tokens=4096, messages=[ {"role": "user", "content": "Your prompt here"} ] ) ... For Memory Tool and Context Editing, add the beta header context-management-2025-06-27 to your requests.

anthropic.com › news › claude-opus-4-5

Introducing Claude Opus 4.5

In our testing, the combination of all these techniques boosted Opus 4.5’s performance on a deep research evaluation by almost 15 percentage points4. We’re making our Developer Platform more composable over time. We want to give you the building blocks to construct exactly what you need, with full control over efficiency, tool use, and context management. Products like Claude Code show what’s possible when the kinds of upgrades we’ve made to the Claude Developer Platform come together.

anthropic.com › news › claude-4

Introducing Claude 4

Claude Code now supports background tasks via GitHub Actions and native integrations with VS Code and JetBrains, displaying edits directly in your files for seamless pair programming. New API capabilities: We’re releasing four new capabilities on our API that enable developers to build more powerful AI agents: the code execution tool, MCP connector, Files API, and the ability to cache prompts for up to one hour. Claude Opus 4 ...

github.com › anthropics › claude-code › issues › 8381

[FEATURE] Add support for 1M Context on Claude Sonnet 4.5 · Issue #8381 · anthropics/claude-code

September 29, 2025 - You switched accounts on another tab or window. Reload to refresh your session. ... To use the 1M token context window, include the context-1m-2025-08-07 beta header in your API requests

Published Sep 29, 2025

blog.getbind.co › 2025 › 08 › 13 › claude-sonnet-4-with-1-million-context-window-is-here

Claude Sonnet 4 with 1 Million Context Window Is Here – Bind AI IDE

August 13, 2025 - Anthropic’s latest update brings a massive one-million-token context window to Claude Sonnet 4 (not to be confused with Claude Opus 4). That’s a fivefold jump from its previous limit of 200K tokens.

claudelog.com › home › faqs › what is context window

What is Context Window in Claude Code | ClaudeLog

The context window is Claude's memory capacity for a single conversation. It includes your messages, Claude's responses, file contents, and tool outputs. Most Claude models have a 200K token context window, but Claude Sonnet 4.5 via API offers ...

llm-stats.com › home › models › claude opus 4

Claude Opus 4: Pricing, Context Window, Benchmarks, and More

May 22, 2025 - API access for Claude Opus 4 will be available soon through our gateway.

reddit.com › r/claudecode › is claude code sonnet 4.5 with 1m context actually better than 200k?

Is Claude Code Sonnet 4.5 With 1M Context Actually Better Than 200k? : r/ClaudeCode

November 20, 2025 - They unshipped it now i no longer ... to their opus 4.5 ! ... At a certain point you are burning way more tokens per request as the model loses focus more and more, but at least it takes a lot longer to process. You should have a good reason for your context to go past 200k. If you don't then you're doing it wrong. ... Claude-Mem #1 Trending on GitHub today!!!! ... If you turn off auto-compact you get 20% of the context window ...

anthropic.com › news › claude-sonnet-4-5

Introducing Claude Sonnet 4.5

Experts in finance, law, medicine, ... Opus 4.1. ... We're seeing state-of-the-art coding performance from Claude Sonnet 4.5, with significant improvements on longer horizon tasks. It reinforces why many developers using Cursor choose Claude for solving their most complex problems. Claude Sonnet 4.5 amplifies GitHub Copilot's ...