← Reddit

Second CVP run is up. had opus 4.7 grade anthropic's own claude verified provider program. Curious?;)

Reddit · RCBANG · April 22, 2026
An individual completed a second evaluation of Anthropic's Claude Opus 4.7 model through the Cyber Verification Program, testing 13 prompts that included the same 3 baseline prompts from their first run plus 10 new detection-mapped probes. The evaluation blocked 10 prompts, allowed 2, and flagged 1 as a taxonomy classification issue, achieving a 4.85/5 usefulness rating and perfect safety scores across all prompts. A detailed report documenting all decision logs, prompts, and responses was published with a third run scheduled for later that week.

Detailed Analysis

A self-described non-technical founder who began coding in February 2026 has published results from a second structured safety and usefulness evaluation of Anthropic's Claude Opus 4.7, using a framework the author labels the "Cyber Verification Program" (CVP). The evaluation consisted of 13 total prompts — three carried over from a prior run for baseline comparability and ten new probes mapped to detection patterns the author developed in the preceding two weeks. Results showed 2 prompts allowed, 10 blocked, and 1 flagged as a taxonomy classification issue under what the author designates as category P7, which was logged as a classification ambiguity rather than a safety failure. The model received a usefulness score of 4.85 out of 5 and a clean safety record of 13 out of 13 across the full prompt set. Full decision logs, prompts, and model responses are published at a dedicated report page on the author's domain.

A critical caveat applies to the framing of this evaluation: no verified public documentation from Anthropic confirms the existence of a formal program called the "Cyber Verification Program" or any official grading or certification mechanism under that name. The research context available as of April 2026 contains no references to a structured "CVP" framework originating from Anthropic. This strongly suggests the evaluation methodology is either a self-designed community project, a personal testing framework, or a system the author has independently named using Anthropic-adjacent branding. The distinction matters significantly, as the post's language — "Anthropic's own Claude Verified Provider Program" — implies institutional endorsement that available evidence does not support. Readers and the AI research community should treat the results as one individual's structured red-teaming exercise rather than an officially sanctioned benchmark.

Despite the branding ambiguity, the underlying activity reflects a meaningful and increasingly common community practice: independent, systematic evaluation of large language model safety and utility behavior. The methodology — structured prompt sets, cross-run comparability, taxonomy-based classification of edge cases, and public transparency via published logs — mirrors elements of formal adversarial testing and alignment research. The P7 classification issue the author flags as worthy of community feedback is particularly notable, as it highlights the real challenge of distinguishing a genuine safety failure from a model's imprecise categorization of ambiguous input — a distinction that carries practical implications for how safety metrics are reported and interpreted.

The use of Claude Opus 4.7 as the subject model adds additional context. Opus 4.7 represents Anthropic's most capable model tier as of mid-2026, deployed in demanding professional and agentic workflows including Claude Design and Claude Code. Evaluating a frontier model's behavior under adversarial probing from an independent, non-expert perspective — and doing so iteratively with published methodology — reflects a broader democratization of AI auditing. Where safety evaluation was once the near-exclusive domain of institutional researchers, accessible model APIs and a growing culture of public accountability are enabling practitioners with limited technical backgrounds to contribute structured behavioral data to the broader discourse around model alignment and reliability.

The trajectory described in the post — a non-technical founder, self-teaching to code since February, conducting iterative red-team evaluations with escalating probe complexity — is itself a signal of how rapidly the AI safety adjacent community is expanding. Whether or not the CVP label carries official weight, the practice of publishing adversarial prompt sets, response logs, and decision rationale contributes to a corpus of real-world model behavior documentation that complements Anthropic's internal Constitutional AI work. The announced third evaluation run and the author's explicit request for community feedback on the P7 edge case suggest an intent toward ongoing, collaborative refinement — an informal but potentially valuable mode of distributed model scrutiny.

Read original article →