Best 30 AI Prompt Engineering Tools Tools in 2026
Deepseek V4, Openai Codex, Openrouterai, Techcrunch, Mammouthai, Runwareai, Promptlayer, Apimartai, Bluegpt, Promptbuilder are the best paid / free AI Prompt Engineering Tools tools.
AI Prompt Engineering Tools are specialized applications designed to assist users in crafting effective prompts for AI models, particularly in natural language processing and machine learning contexts. These tools help content creators, marketers, and developers optimize their interactions with AI systems by generating clear and targeted prompts that yield better responses. By utilizing advanced algorithms and machine learning techniques, these tools analyze user input and suggest modifications that enhance clarity and relevance, ultimately improving the quality of the generated content. This streamlines the process of working with AI, making it more accessible and efficient for both experienced and novice users.
DeepSeek Chat (Cache Hit)
1M INPUT TOKENS (CACHE HIT) - $0.028 per million tokens.
DeepSeek Chat (Cache Miss)
1M INPUT TOKENS (CACHE MISS) - $0.28 per million tokens.
DeepSeek Chat (Output Tokens)
1M OUTPUT TOKENS - $0.42 per million tokens.
For the latest pricing, please visit this link: https://api-docs.deepseek.com/quick_start/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
OpenAI Codex enhances coding efficiency with AI-driven task support.
Enterprise Plan
Enterprise-grade AI, security, and large-scale support. Includes all features from the Business plan.
For the latest pricing, please visit this link: https://openai.com/zh-Hans-CN/codex/
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Free
Access to 25+ free models from 4 free providers. Includes community support, activity logs, and basic features.
Enterprise
Custom pricing based on volume, prepayment credits, and annual commitments. Access to 300+ models and 60+ providers with dedicated support.
For the latest pricing, please visit this link: https://openrouter.ai/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Meta is developing advanced AI models for coding and visual understanding.
What is Techcrunch?
Techcrunch is a prominent online publication that focuses on technology and startup news, particularly in the fields of artificial intelligence[1], venture capital, and emerging technologies[2]. Recently, it reported on Meta's ambitious plans to develop a new image and video model, codenamed 'Mango', which aims to enhance the capabilities of text-based models[3] and explore new world models that can understand visual information[4]. This initiative reflects Meta's efforts to advance in the competitive AI landscape, where it seeks to improve coding capabilities and reasoning abilities[5] without exhaustive training.
starter
For regular use Access to the best LLMs Claude, GPT, Llama, Grok, Mistral, Gemini, DeepSeek, Qwen, Kimi Reasoning models (CoT) Web & Deep ResearchPerplexity Generate imagesNano Banana, GPT, Stable Diffusion, Recraft & FLUX Projects mammouths Organize documents and chats Vocal Chat & Dictation Unlimited text messagesAn hourly usage policy applies on premium models 50 premium imagesUnlimited with Flux Schnell DocumentsUp to 10K chars (~3 pages) API credits included (2$) Cancel anytime
Team
Team Management & Workspace Choose planStarter Add Users Total €20/month (excl. VAT) Subscribe What you get: Everything in chosen plans for team members Admin account to distribute licenses Centralized billing Cancel anytime
expert
For maximum use Access to the best LLMs Claude, GPT, Llama, Grok, Mistral, Gemini, DeepSeek, Qwen, Kimi Reasoning models (CoT) Web & Deep ResearchPerplexity Generate imagesNano Banana, GPT, Stable Diffusion, Recraft & FLUX Projects mammouths Organize documents and chats Vocal Chat & Dictation Unlimited text messagesEven higher hourly usage on premium models 1000 premium imagesUnlimited with Flux Schnell x5 limit on long documentsUp to 4M chars (~1000 pages) API credits included (10$) Cancel anytime
For the latest pricing, please visit this link: https://mammouth.ai/
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
For the latest pricing, please visit this link: https://runware.ai/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
What is Promptlayer?
Promptlayer is a powerful tool designed for versioning, testing, and monitoring AI prompts and agents. It offers robust evaluation capabilities, tracing, and regression sets that enable users to track the performance and reliability of their AI models. With a visual editor, Promptlayer empowers domain experts to collaborate effectively, ensuring that prompts and agents are optimized for their specific applications. This tool is essential for teams looking to enhance their AI development processes and maintain high-quality outputs.
APIMartai offers a unified AI API for seamless integration of multiple models.
Seedream 4.5 API
ByteDance's latest 4K AI image generator with perfect text rendering and advanced editing capabilities.
Sora 2 Pro API
Professional-grade video generation with enhanced quality and longer duration capabilities.
Veo 3.1 API
Google's state-of-the-art video generation model for cinematic quality content creation.
WAN 2.6
State-of-the-art video generation model with exceptional consistency and motion coherence.
Nano Banana Pro API
Google's most advanced AI image generation model with 4K output and professional-grade quality.
Nano Banana API
Fast and efficient image generation with Google's reliable AI technology.
For the latest pricing, please visit this link: https://apimart.ai/
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Starter
Start your AI experience with all the basics to boost your productivity.
Pro
Unlock more power and access premium AI features to go further.
Max
Access the ultimate power of AI with advanced features and superior performance.
Ultra
Optimize your most ambitious projects with extensive AI usage, unlimited features, and VIP access to new features.
For the latest pricing, please visit this link: https://bluegpt.app/
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
For the latest pricing, please visit this link: https://promptbuilder.cc/#pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
A collaborative platform for Gen AI builders to create and launch products together.
What is B150ai?
B150ai is a revolutionary professional network designed specifically for Generative AI builders. It serves as a collaborative platform where creators can connect, learn, and launch real products together. By bringing together individuals who are passionate about building innovative solutions using Generative AI, B150ai fosters an environment that encourages creativity, collaboration, and the sharing of ideas. The platform is tailored to help users not only share their projects but also receive valuable feedback and insights from fellow builders, ultimately aiding in the successful launch of their creations.
Starter
For small teams 14-day trial, card required 25 Scans / month Detailed security reports Remediation recommendations Email support
Startup
For growing AI companies Unlimited Scans Comprehensive assessments Detailed security reports Remediation recommendations Priority support
Enterprise
For large-scale operations Everything in Startup Custom scan quotas Dedicated account manager Custom SLAs SSO & advanced security On-premise deployment Custom integrations
For the latest pricing, please visit this link: https://zeroleaks.ai/#pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
16x Prompt enhances AI coding efficiency through context management and prompt customization.
Free Version
Source Code Management, Formatting Instructions, Copy Final Prompt, Anthropic / OpenAI API, Limited to 10 prompts / day.
Life-time License (Individual)
Everything in Free version, Unlimited usage, Each license can be activated 3 times, No invoice issued.
Life-time License (Team)
Everything in Life-time License, Invoice for company purchase, Each license can be activated 10 times, Priority support.
For the latest pricing, please visit this link: https://prompt.16x.engineer/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Markprompt enhances enterprise customer support with AI-driven automation.
What is Markprompt?
Markprompt is an advanced AI support infrastructure[1] designed for enterprise-level customer service operations. It empowers organizations by providing AI agents[3] that autonomously manage customer support challenges, particularly in developer platforms and fintech sectors. By leveraging machine learning[2] and proven deployment strategies, Markprompt enables companies to automate critical workflows, streamline tier-1 support, and troubleshoot complex customer issues with high reliability and compliance. This tool is built to enhance operational efficiency while ensuring precise adherence to regulatory standards.
What is DeepSeek V3?
DeepSeek V3 is an advanced open-source[1] AI language model[2] featuring an impressive 671 billion parameters[3]. It is designed to provide powerful AI capabilities for various applications, allowing users to leverage its capabilities without any registration or cost. This tool is not only free for personal use but also for commercial applications, making it an attractive option for developers and businesses alike. With DeepSeek V3, users can experience state-of-the-art[4] AI technology that rivals many proprietary models in performance.
Free Plan
Free forever. All main functions. Community support.
Team Plan
From $29 per month. All features from the Free Plan, plus AI features, synchronization of chains and outputs between devices, collaboration on prompts, and business support.
Enterprise Plan
Custom price. All features from the Team Plan, plus SSO + SAML, role-based access controls, deploy prompts to API endpoints, and business support.
For the latest pricing, please visit this link: https://www.promptmixer.dev/
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Free
For personal projects. No credit card required. 10k events per month, 3 projects, 30 days logs retention.
Team
Start scaling your project with more resources. 50k events per month, AI Playground, Unlimited projects, 1 year history, Advanced features.
Enterprise
Custom plans for larger teams with personalized needs. Self-hosted, SSO, Granular Access Control, PII Masking, SLA, White labeling, Data Warehouse connectors, Legendary support.
For the latest pricing, please visit this link: https://lunary.ai/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
GEE-P-TEE
Transform your website with 37,000+ ready-to-go & customized gee-p-tees for lead generation, monetization & business use.
For the latest pricing, please visit this link: https://shops.geeptee.com/shop
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Enterprise
Custom. Everything in Starter, Unlimited support, Custom server, Feature on-request.
For the latest pricing, please visit this link: https://www.prompteams.com/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
What is Rlama?
Rlama is a comprehensive AI platform designed for creating Retrieval-Augmented Generation (RAG) systems and intelligent agents[2]. It enables users to build, deploy, and manage AI-powered solutions using local models, facilitating tasks ranging from document question-and-answer systems to autonomous multi-agent collaboration. With Rlama, users can create tailored workflows that enhance productivity and streamline complex processes, ensuring data privacy through local processing.
Start Free with 10,000 Tokens
Every new user gets 10,000 free tokens to test the latest AI models. No credit card required, no commitments.
For the latest pricing, please visit this link: https://www.promptground.io/#pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
For the latest pricing, please visit this link: https://vibecodeprompts.cloud/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Founder's Access
Everything. Forever. For early believers. No credit card required. No usage limits. No trial period. Includes unlimited prompts, labels with 10 colors, projects for grouping, rich text formatting, variable syntax, version history, one-click copy, variable fill-in, search & filter, and keyboard shortcuts.
For the latest pricing, please visit this link: https://www.2paste.io/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Give your AI persistent memory with structured fact extraction and context injection for any LLM.
Free Tier
Includes 1,000 stored memories, full API access, and all security features with no time limit. No credit card required.
For the latest pricing, please visit this link: https://ai-memorysdk.netlify.app/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Mutatio is a tool for optimizing AI prompts through systematic testing and validation.
What is Mutatio?
Mutatio is a prompt engineering mutation and validation engine that leverages large language models (LLMs) to enhance the process of creating and optimizing AI prompts. It empowers AI engineers to systematically test, measure, and optimize prompts, transforming the traditionally artistic approach into a scientific methodology. Mutatio is privacy-first, community-driven, and fully open source, making it accessible without the need for a credit card, thereby catering to individual users and developers looking to improve their AI applications.
What is Promptperfekt?
Promptperfekt, also known as 100XPrompt, is an innovative AI orchestration tool designed to streamline AI interactions by automating prompt engineering and web tasks. This tool allows users to input simple prompts, which are then optimized for maximum effectiveness while executing related web actions automatically. By enhancing the clarity of prompts and utilizing advanced web search capabilities, Promptperfekt transforms vague ideas into precise instructions, ultimately saving users time and maximizing AI performance.
Fable5 is an independent guide to Anthropic's Fable 5 model, providing specs, API pricing, access channels, and a free playground for testing prompt structure.
API Pricing for Fable 5
API pricing is $10 per million input tokens and $50 per million output tokens, with a 90% input discount on cached prompt content.
Claude Opus 4.8 Pricing
Claude Opus 4.8 pricing is $5 per million input tokens and $25 per million output tokens.
Sonnet 4.6 Pricing
Sonnet 4.6 pricing is $3 per million input tokens and $15 per million output tokens.
Haiku 4.5 Pricing
Haiku 4.5 pricing is $1 per million input tokens and $5 per million output tokens.
For the latest pricing, please visit this link: https://fable5.io/#pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Auto Top-up
Optional refill below threshold with a custom threshold and monthly safety cap.
For the latest pricing, please visit this link: https://llmwise.ai/#pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.
Pro
For getting started with the full platform, includes 100k logs, 1k scores, 5 datasets, 2 evaluators, and 5 prompts.
Team
Popular choice for startups and growing teams, includes everything in Pro, unlimited datasets, evaluators, prompts, a private Slack channel, and a SOC 2 report.
Enterprise
For large organizations, includes everything in Team, with custom packages, volume discounts, custom SLAs, and a dedicated support engineer.
For the latest pricing, please visit this link: https://www.respan.ai/pricing
Prices are subject to change. Please visit the official website for the most up-to-date pricing information.



































