openai-whisper

openai-whisper is a skill for Claude Code, Codex from zai-org/Synapse. It costs 18 tokens per session (198 once invoked), scanned A, a copy of openai-whisper, Apache-2.0.

A local command-line tool that converts spoken audio into text using OpenAI’s Whisper speech-recognition model. It can also translate speech and produce subtitle files.

In plain words
What is it for?
Transcribing MP3 or M4A recordings, translating speech, and exporting plain-text or SRT subtitles.
Why use it?
Audio can be transcribed on the computer without an API key or sending it to a remote service. Different model sizes let you choose between speed and accuracy.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/zai-org/synapse/openai-whisper
Any agent
npx skills add zai-org/Synapse --skill openai-whisper
Clone the repo
git clone --depth 1 https://github.com/zai-org/Synapse

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for openai-whisper

README.md
[![agentmods](https://agentmods.dev/badge/skills/zai-org/synapse/openai-whisper.svg)](https://agentmods.dev/skills/zai-org/synapse/openai-whisper)
Your own site
<a href="https://agentmods.dev/skills/zai-org/synapse/openai-whisper"><img src="https://agentmods.dev/badge/skills/zai-org/synapse/openai-whisper.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 198 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 94% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00018 $0.00198
Opus 5 $0.00009 $0.00099
Sonnet 5 $0.00004 $0.00040
Haiku 4.5 $0.00002 $0.00020

Measured 6d ago against content hash f9fadf134b6d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

openai-whisper scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

94% identical to openai-whisper — 21 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.setup/skills/clawhub/skills/openai-whisper/SKILL.md · 20 lines

What it actually says

Whisper (CLI)

Use whisper to transcribe audio locally.

Quick start

  • whisper /path/audio.mp3 --model medium --output_format txt --output_dir .
  • whisper /path/audio.m4a --task translate --output_format srt

Notes

  • Models download to ~/.cache/whisper on first run.
  • --model defaults to turbo on this install.
  • Use smaller models for speed, larger for accuracy.
Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 6d ago First seen · 20 lines · 18 tokens per session scan A f9fadf134b6d

Subscribe to this mod's changes

openai-whisper is a skill published in the GitHub repository zai-org/Synapse (468 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 18 tokens to every session and 198 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 94% identical to openai-whisper, differing in 21 lines, and is treated as a copy.

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