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Changes in the system prompt between Claude Opus 4.6 and 4.7

simonwillison.net

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Re: Changes in the system prompt between Claude Opus 4.6 and 4.7

#191

Post by yfontana »

unshavedyak wrote: post #139
gck1 wrote: post #56

Earlier quoted context omitted.

I even have a specific, non-negotiable phase in the process where model MUST interview me, and create an interview file with everything captured. Plan file it produces must always include this file as an artifact and interview takes the highest precedence. Otherwise, the intent gets lost somewhere in the chat transcript.

This is interesting, can you link any more details on it?

Not GP, but BMAD has several interview techniques in its brainstorming skill. You can invoke it with /bmad-brainstorming, briefly explain the topic you want to explore, then when it asks you to if you want to select a technique, pick something like "question storming". I've had positive experience with this (with Opus 4.7).

Re: Changes in the system prompt between Claude Opus 4.6 and 4.7

#193

Post by alfiedotwtf »

cowlby wrote: post #170

I'm fascinated that Anthropic employees, who are supposed to be the LLM experts, are using tricks like these which go against how LLMs seem to work. Key example for me was the "malware" tool call section that included a snippet with intent "if it's malware, refuse to edit the file". Yet because it appears dozens of times in a convo, eventually the LLM gets confused and will refuse to edit a file that is not malware.…

Was that an Anthropic issue, or a gpt-oss problem?

Re: Changes in the system prompt between Claude Opus 4.6 and 4.7

#194

Post by lbreakjai »

Lucasoato wrote: post #182
jrvarela56 wrote: post #169

The past month made me realize I needed to make my codebase usable by other agents. I was mainly using Claude Code. I audited the codebase and identified the points where I was coupling to it and made a refactor so that I can use either codex, gemini or claude. Here are a few changes: 1. AGENTS.md by default across the codebase, a script makes sure CLAUDE.md symlink present wherever there's an AGENTS.md file 2. Skill…

Have you got any advice in making agents from different providers work together? In Claude, I’ve seen cases in which spawning subagents from Gemini and Codex would raise strange permission errors (even if they don’t happen with other cli commands!), making claude silently continue impersonating the other agent. Only by thoroughly checking I was able to understand that actually the agent I wanted failed.

It works out of the box with something like opencode. I've had no issue creating rather complex interactions between agents plugged into different models.

Re: Changes in the system prompt between Claude Opus 4.6 and 4.7

#196

Post by pllbnk »

walthamstow wrote: post #24

The eating disorder section is kind of crazy. Are we going to incrementally add sections for every 'bad' human behaviour as time goes on?

Seems so, unless we manage to pivot to open weight models. Hopefully, Chinese will lead the way along with their consumer hardware.

Hard for me to say this because I have always been pro-Western and suddenly it seems like the world has flipped.

Re: Changes in the system prompt between Claude Opus 4.6 and 4.7

#198

Post by Grimblewald »

xvector wrote: post #156
Grimblewald wrote: post #106

I miss 4.5. It was gold.

Rose tinted glasses

Nah, until recently i still had access via web chat interface, and often paste a transcript and files for somethong 4.7 keeps fucking up, paste response into files as appropriate, and attempt to continue with 4.7.

I swear 4.6+ looks for reasons to ask clarifying questions sometimes, even when really not required, and this fucks flow/quality up in a big way.

I just wish there was a "im not stupid" checkbox you can use to get a minimalistic interference access to claude. Im starting to use local models again, which I havent in a while because claude was so much better, but once i fully lose access to 4.5 it might be time to go back to fully local for good. 4.6+ fails to add value for me, projects 4.5- did good jobs on first try now require multiple prompts and feedback. Exact same initial prompt and project files extracted from archive. I liked claude because it aced those tests while local required handholding. Now claude requires handholding, so why use it over local? Once 4.5 leaves openrouter it might just be time.

Re: Changes in the system prompt between Claude Opus 4.6 and 4.7

#199

Post by gloomyday »

walthamstow wrote: post #24

The eating disorder section is kind of crazy. Are we going to incrementally add sections for every 'bad' human behaviour as time goes on?

In principle, they could make such responses part of their training data. I guess it is just easier to do it through prompting.
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