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TruthProbe — AI API 信任审计 SDK

PyPI version Python 3.9+ License MIT

中文 · English


检测你的 AI 中转站是否偷换模型。3 行代码搞定。

你付了 GPT-4o 的钱 — 中转站真的在跑 GPT-4o 吗?TruthProbe 通过文本复杂度、时间指纹和模型签名,被动监控每次 API 请求,验证模型真实性。


快速开始

pip install truthprobe
import truthprobe

truthprobe.patch()  # 一行代码,自动审计所有 OpenAI 兼容请求

from openai import OpenAI
client = OpenAI(api_key="sk-xxx", base_url="https://your-relay.com/v1")
response = client.chat.completions.create(
    model="claude-sonnet-4-6",
    messages=[{"role": "user", "content": "Hello"}]
)
# 控制台自动输出:
# ✓ ¥0.032 │ claude-sonnet-4-6 │ 1.2s │ trust: 92

功能列表

功能 说明
模型审计 自动检测中转站是否偷换模型(如用 GPT-4o-mini 冒充 GPT-4o)
余额查询 聚合查看多个中转站账户余额,低余额自动告警
信任评分 每次请求实时打分,累计统计可疑率
CLI 报告 命令行生成日报/周报,含趋势折线图
多中转站 支持所有 OpenAI 兼容 API 的中转站
静默模式 不干扰业务输出,后台默默记录

CLI 使用

truthprobe report          # 完整日报
truthprobe report --week   # 周报(含 7 天趋势折线图)
truthprobe balance         # 查询所有 provider 余额
truthprobe score           # 当前信任评分
truthprobe --help

输出示例

每次请求 — 实时审计行

✓ ¥0.032 │ claude-sonnet-4-6 │ 1.2s
✓ ¥0.018 │ gpt-4o │ 0.8s
⚠ ¥0.041 │ claude-opus-4-6 → 疑似降级 │ 2.1s │ 置信度 62%
✓ ¥0.005 │ claude-haiku-4-5 │ 0.4s

truthprobe report — 日报

╭─────────────────────────────────────────────────────────────╮
│                    TruthProbe 审计报告                       │
│                      今日审计摘要                            │
╰─────────────────────────────────────────────────────────────╯

┌─ 信任评分 ─────────────────────────────────────────────┐
│  总请求: 47    正常: 44    可疑: 3                       │
│  信任评分: ████████░░ 88/100                            │
│  结论: 服务商基本可信,偶有异常,建议持续观察              │
└─────────────────────────────────────────────────────────┘

┌─ 今日花费 ──────────────────────────────────────────────┐
│  今日花费: ¥1.42                                        │
│  模型分布:                                              │
│  claude-sonnet-4-6   ███████████░░░░░░░░░  55%  ¥0.86  │
│  claude-haiku-4-5    █████░░░░░░░░░░░░░░░  26%  ¥0.31  │
│  gpt-4o              ███░░░░░░░░░░░░░░░░░  19%  ¥0.26  │
└─────────────────────────────────────────────────────────┘

┌─ 信号分解 ──────────────────────────────────────────────┐
│  时间指纹异常    ██████████░░░░░░░░░░  50%  (3次)       │
│  文本质量偏低    ██████████░░░░░░░░░░  50%  (3次)       │
└─────────────────────────────────────────────────────────┘

truthprobe report --week — 周报

╭─────────────────────────────────────────────────────────────╮
│                    TruthProbe 周报                           │
╰─────────────────────────────────────────────────────────────╯

┌─ 近 7 天趋势 ──────────────────────────────────────────┐
│  信任评分:  ▅▆▇▇▆▇█  82 → 90 ↑                        │
│  每日花费:  ▂▃▂▄▃▅▃  avg ¥0.23/天                      │
│  可疑率:    ▃▂▂▁▁▁▁  12% → 2% ↓                       │
│  请求量:    ▁▄█▇▆▅▆  55 total                          │
│                                                         │
│  一  二  三  四  五  六  日                               │
└─────────────────────────────────────────────────────────┘

┌─ 供应商建议 ────────────────────────────────────────────┐
│  ✓ 服务商表现良好,可疑率仅 2%                           │
│  📈 60% 请求使用 claude-sonnet-4-6(花费 ¥0.86)        │
│    → 可在排行榜对比各家该模型定价                         │
│  truthprobe.com/ranking                                 │
└─────────────────────────────────────────────────────────┘

truthprobe balance — 余额查询

Provider Balances:
  RelayA    ¥142.50    (预估剩余 23 天)
  RelayB    ¥38.20     (预估剩余 6 天)

🚨 RelayB 余额低: ¥38.20,预计 6 天后耗尽

工作原理

TruthProbe 通过 3 维信号交叉验证 判断模型真实性:

信号 权重 检测逻辑
文本复杂度 45% 词汇丰富度、平均句长、推理深度
响应时间 40% TTFB + tokens/sec 是否符合该模型正常范围
模型标识 15% 返回的 model 字段是否与请求一致

不夸张说明:单次检测存在误判可能。TruthProbe 的价值在于多次请求的统计趋势。provider 持续触发告警(可疑率 >30%)= 大概率有问题。


多 Provider 配置

import truthprobe

truthprobe.init(
    providers=[
        {"name": "RelayA", "base_url": "https://relay-a.com/v1", "key": "sk-aaa"},
        {"name": "RelayB", "base_url": "https://relay-b.com/v1", "key": "sk-bbb"},
    ],
    alert_balance_threshold=50,  # 余额低于 ¥50 时告警
    currency_symbol="¥",
)

truthprobe.patch()

静默模式

truthprobe.patch(quiet=True)     # 完全静默,只记录不输出
truthprobe.patch(verbose=False)  # 不输出每次请求行,但告警仍然触发

排行榜

truthprobe.com/ranking — 看看哪些中转站老实、哪些在偷换模型。


Pro 版本

功能 Free Pro
本地审计检测
CLI 报告
云端历史记录 -
自动定时报告 -
API 调用量分析 -
团队协作 -

详情: truthprobe.com/pricing


贡献

git clone https://github.com/LuisHF1998/truthprobe-python.git
cd truthprobe-python
pip install -e .

欢迎 PR。建议先开 issue 讨论。


开源协议

MIT


English Documentation

Quick Start

pip install truthprobe
import truthprobe

truthprobe.patch()  # One line — all OpenAI-compatible calls are now audited

from openai import OpenAI
client = OpenAI(api_key="sk-xxx", base_url="https://your-relay.com/v1")
response = client.chat.completions.create(
    model="claude-sonnet-4-6",
    messages=[{"role": "user", "content": "Hello"}]
)
# Terminal output:
# ✓ ¥0.032 │ claude-sonnet-4-6 │ 1.2s │ trust: 92

Features

Feature Description
Model audit Detect if relay swaps models (e.g. GPT-4o-mini posing as GPT-4o)
Balance monitor Aggregate balances across relays, auto-alert on low funds
Trust scoring Real-time per-request scoring, cumulative suspicious rate
CLI reports One-command daily & weekly audit reports with trend charts
Multi-provider Works with any OpenAI-compatible API relay
Silent mode Background recording without interfering with your output

CLI

truthprobe report          # Full daily audit report
truthprobe report --week   # Weekly report with 7-day trend charts
truthprobe balance         # Check all provider balances
truthprobe score           # Current trust score
truthprobe --help

Output Examples

Per-request — real-time audit line

✓ ¥0.032 │ claude-sonnet-4-6 │ 1.2s
✓ ¥0.018 │ gpt-4o │ 0.8s
⚠ ¥0.041 │ claude-opus-4-6 → suspected swap │ 2.1s │ confidence 62%
✓ ¥0.005 │ claude-haiku-4-5 │ 0.4s

truthprobe report — daily audit report

╭─────────────────────────────────────────────────────────────╮
│                                                             │
│                   TruthProbe Audit Report                   │
│                       Today's Summary                       │
│                                                             │
╰─────────────────────────────────────────────────────────────╯

┌─ Trust Score ──────────────────────────────────────────┐
│                                                         │
│  Total: 47    Trusted: 44    Suspicious: 3              │
│  Trust score: ████████░░ 88/100                         │
│  Provider is performing normally                        │
│                                                         │
└─────────────────────────────────────────────────────────┘

┌─ Cost ─────────────────────────────────────────────────┐
│                                                         │
│  Today's cost: ¥1.42                                    │
│                                                         │
│  Model distribution:                                    │
│  claude-sonnet-4-6   ███████████░░░░░░░░░  55%  ¥0.86  │
│  claude-haiku-4-5    █████░░░░░░░░░░░░░░░  26%  ¥0.31  │
│  gpt-4o              ███░░░░░░░░░░░░░░░░░  19%  ¥0.26  │
│                                                         │
└─────────────────────────────────────────────────────────┘

┌─ Signal Breakdown ─────────────────────────────────────┐
│                                                         │
│  Timing anomaly      ██████████░░░░░░░░░░  50%  (3x)   │
│  Text quality low    ██████████░░░░░░░░░░  50%  (3x)   │
│                                                         │
└─────────────────────────────────────────────────────────┘

truthprobe report --week — weekly report with trend charts

╭─────────────────────────────────────────────────────────────╮
│                                                             │
│                  TruthProbe Weekly Report                   │
│                                                             │
╰─────────────────────────────────────────────────────────────╯

┌─ 7-Day Trends ─────────────────────────────────────────┐
│                                                         │
│  Trust Score:  ▅▆▇▇▆▇█  82 → 90 ↑                     │
│  Daily Cost:   ▂▃▂▄▃▅▃  avg ¥0.23/day                 │
│  Suspicious %: ▃▂▂▁▁▁▁  12% → 2% ↓                   │
│  Requests:     ▁▄█▇▆▅▆  55 total                      │
│                                                         │
│  Mon Tue Wed Thu Fri Sat Sun                            │
│                                                         │
└─────────────────────────────────────────────────────────┘

┌─ Recommendations ─────────────────────────────────────┐
│                                                         │
│  ✓ Provider performing well, only 2% suspicious         │
│                                                         │
│  📈 60% of requests use claude-sonnet-4-6 (¥0.86)      │
│    → Compare pricing on the ranking page                │
│                                                         │
│  truthprobe.com/ranking                                 │
│                                                         │
└─────────────────────────────────────────────────────────┘

How It Works

TruthProbe uses 3 independent signals to verify model authenticity:

Signal Weight Detection
Text complexity 45% Vocabulary richness, sentence length, reasoning depth
Response timing 40% TTFB + tokens/sec against known model profiles
Model field 15% Response model field matches request

Honest disclaimer: Single-request detection has false positive potential. TruthProbe's value is in statistical trends over many requests. If your provider consistently triggers alerts (suspicious rate >30%), there's likely a real problem.

Multi-Provider Setup

import truthprobe

truthprobe.init(
    providers=[
        {"name": "RelayA", "base_url": "https://relay-a.com/v1", "key": "sk-aaa"},
        {"name": "RelayB", "base_url": "https://relay-b.com/v1", "key": "sk-bbb"},
    ],
    alert_balance_threshold=50,
    currency_symbol="¥",
)

truthprobe.patch()

Silent Mode

truthprobe.patch(quiet=True)     # Fully silent — records only, no output
truthprobe.patch(verbose=False)  # No per-request lines, but alerts still fire

Ranking

We continuously track trust scores and pricing across relay providers:

truthprobe.com/ranking

See which relays are honest — and which are swapping models.

Contributing

git clone https://github.com/LuisHF1998/truthprobe-python.git
cd truthprobe-python
pip install -e .

PRs welcome. Open an issue first to discuss.

License

MIT

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TruthProbe SDK — AI API Trust & Cost Transparency. Audit your LLM relay providers with one line of code.

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