# PromptLayer vs Use AI

PromptLayer records 85,899 monthly visits with -4.6% month-over-month growth and Free Trial, Contact for Pricing pricing. Use AI records 8,751,848 monthly visits with -10.2% growth and Free Trial, Paid pricing.

| Metric | [PromptLayer](https://openaitools.app/tool/promptlayer) | [Use AI](https://openaitools.app/tool/use-ai) |
| :--- | :--- | :--- |
| Website URL | https://promptlayer.com | https://use.ai |
| Categories | Prompt Engineering, Large Language Models (LLMs), AI Monitor, AI Developer Tools | AI Assistant, AI Chatbot, Large Language Models (LLMs), AI Models |
| Pricing Model | Free Trial, Contact for Pricing | Free Trial, Paid |
| Monthly Visits | 85,899 | 8,751,848 |
| MoM Growth Rate | -4.6% | -10.2% |
| Primary Market | United States | United States |
| Direct Visits | 14,092 | 720,337 |
| Review Score | 4.5 | 4.2 |
| Saved Count | 3 | 0 |
| Supported Platforms | Website | Website |

## PromptLayer

PromptLayer targets the gap between prototyping with an LLM API and running that application reliably in production. It packages the tooling teams usually end up building themselves: a prompt registry, a visual CMS for editing and versioning prompts, an evaluation harness, and an observability stack that ties production traffic back to the prompt versions that generated it.

The core insight is that prompt quality is a product concern, not only an engineering one. Because prompts live in a dashboard rather than scattered through a codebase, domain experts — product managers, marketers, curriculum designers, support leads — can edit and test them directly, while engineers keep control over what actually ships. Version history, diffs, comments and rollbacks keep that collaboration auditable.

Evidence comes from evaluation and production. Teams define datasets, run automated and human grading, set up regression tests that fire whenever a prompt changes, and backtest new versions against historical data. In production, traces connect each request to its prompt version, so quality, cost and latency can be compared side by side. Agent workflows get the same treatment: prompts, tool calls, evaluations and logs stay in one place for multi-step runs.

**Pricing & Plans:** PromptLayer has a free tier and three paid tiers. Free is $0/month with 5 users, 2.5k requests per month, 1 workspace, 250 eval cell executions and 10MB datasets. Pro is $49/month and adds unlimited playgrounds, unlimited workspaces and 150MB datasets. Team is $500/month with 25 users, 100k+ requests, 7.5k+ eval cell executions and 1GB datasets. Enterprise offers custom limits plus RBAC, deployment approvals, HIPAA with BAA, self-hosted or EU hosting and dedicated support. Overage is billed per transaction (about $0.003 on Pro, $0.002 on Team).

- **No-code visual prompt CMS:** Edit, version, diff and roll back prompts from a visual dashboard with no coding, so product, marketing and content teams can iterate on prompts while engineers keep control of the deploy.
- **Evaluations and regression testing:** Run dataset-backed tests with human and AI graders, trigger regression evals whenever a prompt changes, backtest new versions against historical data and compare prompts across models.
- **Observability and tracing:** Connect production traces to the exact prompt version that produced them and inspect failures, cost, latency and token usage by feature, model or user.
- **Agent workflow support:** Build, trace and improve agent workflows with prompts, tool calls, evaluations and logs in one place, so multi-step runs can be tested before they ship.
- **A/B testing and usage analytics:** Release new prompt versions gradually, compare live metrics, and see exactly how the LLM application is being used, by whom and how often, without jumping to a separate analytics tool.

**Limitations:** Team plan jumps to $500/month, which is steep for small teams that outgrow Pro; Usage beyond plan limits is billed per transaction, so heavy LLM traffic needs forecasting; Role-based access controls, deployment approvals and SSO are Enterprise-only; Live in the developer ecosystem, so setup expects an LLM API and engineering involvement

[Profile (Markdown)](https://openaitools.app/tool/promptlayer.md)

## Use AI

Use AI positions itself as a single AI workspace rather than yet another chatbot. Instead of paying for three or four separate subscriptions and remembering which model is best at what, you get a unified chat surface where Claude, GPT, Gemini, Grok, DeepSeek, Kimi, Qwen, GLM and Meta models all live behind one prompt box. The company is explicit that it simply provides access to third-party models and is not affiliated with any of the providers, so what you are buying is convenience and consolidation rather than a proprietary model.,Around that core chat there is a fuller productivity layer. You can create documents, PDFs, slide decks and spreadsheets from natural-language prompts, generate images with current image models, and run Deep Research jobs that read across dozens or hundreds of web sources to produce cited reports. Projects and knowledge bases keep related conversations and files together, a file library stores your uploads, and 100+ app connectors let the assistant pull in or act on data from tools you already use. Memory and context are carried between sessions, scaling from a limited allowance on the free tier to maximum on Max.,Pricing is straightforward and published: a genuinely usable free tier with no credit card, Pro at $19.99 per month, and Max at $116.99 per month with 5x the usage allowance, maximum reasoning effort and access to the most exclusive models. Premium model usage is metered by a daily-applied monthly allowance, with an unlimited 'Use AI Instant' chat mode available on paid plans under fair use. If your work involves constantly switching between frontier models, that consolidation is the main draw.

**Pricing & Plans:** Freemium with a free trial-style free tier. Free: $0 with generous everyday chat, limited web search and web, iOS and Android access, no credit card required. Pro: $19.99/month (billed quarterly at $59.97) for unlimited Use AI Instant messaging, premium model access, projects, image generation and Deep Research. Max: $116.99/month (billed quarterly at $350.97) with 5x the usage allowance, maximum reasoning and Deep Research. Prices vary by country and promotion.

- **Many frontier models in one app:** Switch between Claude, GPT, Gemini, Grok, DeepSeek, Kimi, Qwen, GLM and Meta Muse models without juggling separate subscriptions.
- **Switch models mid-chat:** Start a conversation on a fast model and hand the same thread to a stronger reasoning model when the task gets harder, keeping context intact.
- **Deep Research with citations:** Run multi-source research that reads up to 200 sources on Pro and up to 1,000 on Max, returning structured reports with references.
- **Documents, slides and sheets:** Create PDFs, slide decks and spreadsheets directly from a prompt, and generate images with leading models such as Nano Banana and GPT Image.
- **Connectors, projects and memory:** Link 100+ external apps, organise work into projects and knowledge bases, and keep long-term memory and context across sessions.

**Strengths:** One subscription and one interface replaces several separate model subscriptions; Free tier is genuinely usable with no credit card required; Model switching mid-conversation keeps context when you escalate to a stronger model; Built-in document, slide, sheet and image generation alongside chat

**Limitations:** You are limited to whichever models the platform has integrated; you cannot plug in arbitrary API keys for every model; Premium model access is metered by a monthly allowance, so heavy users on Pro can run out; Because it resells frontier models, availability of specific named models can change without notice; No self-hosting or on-premise option for teams that need data to stay in-house

[Profile (Markdown)](https://openaitools.app/tool/use-ai.md)

## Frequently Asked Questions

### How do PromptLayer and Use AI compare in monthly traffic?

PromptLayer has 85,899 monthly visits, while Use AI has 8,751,848. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

PromptLayer has a month-over-month growth rate of -4.6%; Use AI has -10.2%.

### How does pricing compare?

PromptLayer: Free Trial, Contact for Pricing. PromptLayer has a free tier and three paid tiers. Free is $0/month with 5 users, 2.5k requests per month, 1 workspace, 250 eval cell executions and 10MB datasets. Pro is $49/month and adds unlimited playgrounds, unlimited workspaces and 150MB datasets. Team is $500/month with 25 users, 100k+ requests, 7.5k+ eval cell executions and 1GB datasets. Enterprise offers custom limits plus RBAC, deployment approvals, HIPAA with BAA, self-hosted or EU hosting and dedicated support. Overage is billed per transaction (about $0.003 on Pro, $0.002 on Team). Use AI: Free Trial, Paid. Freemium with a free trial-style free tier. Free: $0 with generous everyday chat, limited web search and web, iOS and Android access, no credit card required. Pro: $19.99/month (billed quarterly at $59.97) for unlimited Use AI Instant messaging, premium model access, projects, image generation and Deep Research. Max: $116.99/month (billed quarterly at $350.97) with 5x the usage allowance, maximum reasoning and Deep Research. Prices vary by country and promotion.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ChatGPT](https://openaitools.app/tool/chatgpt-4) | 6,048,022,723 | +2.2% | Freemium | Delivers industry-leading reasoning and multimodal capabilities in a single model, but lacks multi-model switching options. | [.md](https://openaitools.app/tool/chatgpt-4.md) |
| 2 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Excels at nuanced writing and document analysis using Anthropic models, but does not aggregate alternative frontier providers. | [.md](https://openaitools.app/tool/claude-2.md) |
| 3 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | Provides high-efficiency open-weight reasoning models at low cost, but lacks a multi-model aggregator workspace interface. | [.md](https://openaitools.app/tool/deepseek.md) |
| 4 | [Perplexity](https://openaitools.app/tool/perplexity-ai) | 88,310,223 | -3.7% | Freemium | Focuses heavily on real-time web search with citations, but offers less flexibility for multi-model prompt comparison. | [.md](https://openaitools.app/tool/perplexity-ai.md) |
| 5 | [Poe](https://openaitools.app/tool/poe) | 5,894,702 | +9.1% | Freemium | Aggregates diverse frontier models and custom bots into one chat app, but lacks desktop workspace customization. | [.md](https://openaitools.app/tool/poe.md) |
| 6 | [Chatbox AI](https://openaitools.app/tool/chatbox-ai) | 3,291,252 | +3.8% | Paid | Provides multi-model desktop and web workspaces, but requires configuring your own API keys for full flexibility. | [.md](https://openaitools.app/tool/chatbox-ai.md) |
| 7 | [Merlin AI](https://openaitools.app/tool/merlin-ai) | 1,382,634 | +13.1% | Freemium | Integrates multi-model AI directly into your browser workflow, trading deep multi-model chats for contextual page helpers. | [.md](https://openaitools.app/tool/merlin-ai.md) |
| 8 | [Lorka AI](https://openaitools.app/tool/lorka-ai) | 987,622 | -19.2% | Paid | Aggregates major LLMs under a single subscription, but provides fewer specialized creative generation tools. | [.md](https://openaitools.app/tool/lorka-ai.md) |
| 9 | [Dify](https://openaitools.app/tool/dify-ai) | 819,691 | -15% | Freemium | Build, deploy, and govern production-ready agentic AI workflows | [.md](https://openaitools.app/tool/dify-ai.md) |
| 10 | [Open WebUI](https://openaitools.app/tool/open-webui) | 804,534 | -2.8% | Freemium | Offers a powerful self-hosted open-source interface for multiple models, requiring technical setup unlike managed web aggregators. | [.md](https://openaitools.app/tool/open-webui.md) |

---
Source: https://openaitools.app/compare/promptlayer-vs-use-ai

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)