Key Takeaways
- Promptwatch starts at $95/mo (Essential). Gauge starts at $599/mo. That is roughly a 6x gap at the entry point.
- Promptwatch includes all AI models on every paid plan. Gauge Growth covers three platforms (ChatGPT, Google AI Mode, Copilot), and Gemini, Perplexity and AI Overviews wait for Enterprise.
- Gauge is pitched as an Agent-Led Growth platform and leans hard into developer-tool buyers: it measures which products coding agents choose and implement.
- Promptwatch goes further on diagnosis: IP-verified AI crawler logs, visitor analytics, Search Console and Bing data, Reddit, YouTube and LinkedIn citation tracking.
- At roughly the same price ($599 vs $579), Gauge Growth gives you more prompts (600 vs 350) but fewer seats (3 vs 10) and fewer platforms.
- Both publish content to your CMS, so neither is a pure monitoring tool.
Overview
Promptwatch
Promptwatch is an end-to-end AI search visibility and GEO platform. It tracks brands in the real user interfaces of ChatGPT, Google AI Overviews, Google AI Mode, Gemini, Perplexity, Copilot and Alexa, plus API models like Claude, DeepSeek and Mistral. The pitch is that it doesn't stop at "were you mentioned". It shows why you are or aren't visible, with crawler logs and site audits, then closes the loop with a Content Agent, Action Board and Agent Chat. It is used by 1,840+ brands and agencies and is rated 4.7/5 on G2. Customers include Yelp, Duolingo, Typeform and Fireflies.
Gauge
Gauge is a Y Combinator-backed platform that tracks brand visibility at the individual prompt level. Its newer positioning is Agent-Led Growth: AI search visibility, agent preference (which tools coding agents pick for real tasks) and agent experience (whether agents can actually implement your product). Customers on its site include Supabase, PostHog, Neo4j, Clerk, Railway and Mintlify, so the audience skews toward developer-facing companies.
Side-by-side comparison
| Feature | Promptwatch | Gauge |
|---|---|---|
| Entry price | $95/mo (Essential) | $599/mo (Growth) |
| Free option | Free Explore tier, 7-day trial | None listed on pricing page |
| Models on entry paid plan | All models | ChatGPT, AI Mode, Copilot |
| Data collection | Real consumer UIs plus API models | Prompt-level answer tracking |
| Prompts at ~$600 | 350 (Business, $579) | 600 (Growth) |
| Seats at ~$600 | 10 (Business) | 3 (Growth) |
| Crawler logs | Yes, IP-verified | Not advertised |
| Visitor analytics | Yes | GA4 integration |
| Content creation | Content Agent, Refresh, Knowledge Base | 18 articles/mo on Growth |
| CMS publishing | WordPress, Webflow, Framer | Webflow, Framer, Sanity, GitHub |
| Coding agent angle | Tracks Codex, Claude Code, OpenCode | Agent preference and agent experience |
| API / MCP | REST API v2, MCP with 110+ tools | MCP access |
| Agency plans | Yes, from $199/mo | Not public |
Head-to-head deep-dive
Model and platform coverage
This is where the entry-level gap shows. Promptwatch tracks every supported model on every paid plan, and it uses the real interfaces, which matters because user-facing answers and citations can differ from API output. Gauge Growth covers three platforms. Claude and Grok are available on any plan if you bring your own API key and pay the provider directly. The six core platforms, including Gemini, Perplexity and AI Overviews, are an Enterprise thing.
If your buyers use Perplexity or Gemini, that is a real hole on Gauge's cheaper plan.
Verdict: Promptwatch, clearly, unless you only care about ChatGPT, AI Mode and Copilot.
Diagnosing why you are or aren't visible
| Capability | Promptwatch | Gauge |
|---|---|---|
| AI crawler logs | Yes, spoofed bots filtered | Not advertised |
| Site audit | Weekly, 21 checks | Not advertised |
| Search Console data | Yes, plus Bing Webmaster | Yes (Search Console, GA4) |
| Citation and source analysis | Yes, 22 content types, 20 source types | Yes |
| Reddit, YouTube, LinkedIn reports | Yes | Not advertised |
Gauge's citation and source analysis is solid, and the Action Center turns it into recommendations. But Promptwatch can show whether GPTBot or ClaudeBot actually hit your pages, which errors they got, and which pages convert into citations. That is the missing piece when a brand says "we publish plenty and still don't show up".
Verdict: Promptwatch.
Content and publishing
Both tools write. Gauge includes 18 articles per month on Growth and publishes to Webflow, Framer, Sanity and GitHub. The GitHub option is a nice touch for docs-driven teams. Promptwatch's Content Agent plans, writes and publishes against visibility gaps on a schedule, with a review inbox or fully hands-off mode, plus Content Refresh for existing pages and a Brand Book to keep tone consistent. Article quotas on Promptwatch are tied to plan (5 on Professional, 10 on Business), and the automated Content Agent starts at Business.
Verdict: Tie on basics. Promptwatch has the deeper workflow, Gauge's GitHub and Sanity publishing suits developer docs.
Agent-led growth and coding agents
This is Gauge's real differentiator. Its agent preference product measures which tools coding agents select for real tasks, who wins when you lose, and the sources behind those decisions. Agent experience checks whether an agent can implement your product once it picks you. If you sell an API, SDK or database, this is a focused, thoughtful angle.
Promptwatch covers part of that ground by tracking how Codex, Claude Code and OpenCode recommend tools, SDKs and docs, and its crawler logs show agents reading your docs. It doesn't frame the product around agent implementation the way Gauge does. Gauge Agents is a separate credit-based product, priced from $100/mo (1,500 credits) up to $20,000/mo, with typical evals at roughly $3-4 each. I did not re-verify those numbers against the live page, so confirm before budgeting.
Verdict: Gauge for developer-tool companies that want agent preference benchmarks. Promptwatch if you want broader coverage plus measurement.
Volume and value
Gauge says its cost works out to about a penny per answer. Promptwatch Essential works out to roughly $0.016 per response ($95 for 6,000). Gauge's Growth plan runs 600 prompts daily for 54,000 answers/month at $599. Promptwatch Business gives 350 prompts and 42,000 responses for $579, and adds state/city tracking, Shopping Insights, Ads Radar and 10 seats.
So at the $600 mark, Gauge gives you more raw prompts and answers, Promptwatch gives you more models, more seats and more surfaces to analyse. A G2 reviewer notes that Promptwatch tokens can deplete quickly, so watch your Agent Credits. A Compt VP Marketing quoted on Gauge's pricing page called it "the most expensive tool we have, but we happily pay them every month", which is a fair summary of the price tier.
Verdict: Depends on whether you value raw prompt count or breadth. Promptwatch wins on everything under $599.
Integrations and reporting
| Integration | Promptwatch | Gauge |
|---|---|---|
| Google Search Console | Yes | Yes |
| Bing Webmaster Tools | Yes | Not listed |
| GA4 | Visitor analytics on-site | Yes |
| Slack | Yes | Yes |
| Looker Studio | Yes (Professional+) | Not listed |
| MCP / API | Yes | MCP |
| White-label reports | Yes (agencies) | Not listed |
Verdict: Promptwatch, mostly because of reporting and agency features.
Pricing comparison
| Plan | Promptwatch | Gauge |
|---|---|---|
| Free | Explore: 1 project, 10 prompts, ChatGPT only | None listed |
| Entry | Essential $95/mo: 50 prompts, 6,000 responses | Growth $599/mo: 600 prompts, 54,000 answers |
| Mid | Professional $245/mo: 150 prompts, 18,000 responses | None |
| Upper | Business $579/mo: 350 prompts, 42,000 responses | Enterprise: custom |
| Agencies | $199 / $399 / $799 per month | Not public |
| Enterprise | Custom, SSO, dedicated success manager | Custom, 6 core platforms, strategy sessions |
| Add-ons | Agent Credits included on paid plans | Gauge Agents $100 to $20,000/mo |
Promptwatch annual billing gives 12 months for the price of 10. Confirm current numbers on promptwatch.com/pricing and withgauge.com/pricing, since both change.
Pros and cons
Promptwatch
Pros:
- Starts at $95/mo with a free tier and a 7-day trial
- All models on every paid plan, real UI data
- Crawler logs, visitor analytics, site audits
- Content Agent, Action Board, Agent Chat
- Agency plans and white-label reporting
Cons:
- Agent Credits can run down quickly, per G2 feedback
- Fewer prompts than Gauge at the same price point
- The fully automated Content Agent needs Business
- Not framed around agent implementation the way Gauge is
Gauge
Pros:
- 600 prompts and 54,000 answers per month on Growth
- Strong developer-tool focus, with agent preference and agent experience
- GitHub and Sanity publishing
- Unlimited domains, competitors and Ask Gauge chats
- Recognizable dev-tool customers and case studies
Cons:
- $599/mo entry with no visible free trial
- Growth covers only three platforms
- Three seats and a single location
- Sentiment and exports appear to be Enterprise
- No public crawler logs or agency pricing
Who should pick which tool
| If you are... | Pick |
|---|---|
| A small team or startup watching budget | Promptwatch |
| An agency managing many clients | Promptwatch |
| Needing Perplexity, Gemini and AI Overviews data | Promptwatch |
| Wanting to prove traffic and conversions from AI | Promptwatch |
| A dev-tool or API company focused on coding-agent picks | Gauge (or both) |
| Running a docs-heavy site publishing via GitHub | Gauge |
| Already at enterprise budget wanting strategy sessions | Gauge Enterprise |
If you want to browse more options, the GEO software directory at bestgeosoftware.com lists other platforms in this category.
Final verdict
For most teams, Promptwatch is the better buy: it costs a fraction of Gauge to start, covers every major model on every plan, and shows you why you're invisible, not just that you are. Gauge earns a look if you sell developer tools and care specifically about which products coding agents recommend and implement.