AI SDK Examples

streamTextuseCompletionai

Stream Text

Stream text responses from AI prompts in real-time. Includes character counting and live response rendering with useCompletion.

generateTextOutput.objectai

OpenAI Structured Output

Generate structured output from AI prompts using OpenAI. Create typed data with generateText and Output.object().

Loop Control: stopWhen

Demonstrate ToolLoopAgent loop control with stopWhen. Covers stepCountIs, hasToolCall, combined conditions, and a custom StopCondition with step timeline visualization.

ToolLoopAgentstopWhenai

ToolLoopAgentprepareStepai

PrepareStep: Trim Message History

Demonstrate ToolLoopAgent prepareStep for trimming long message history. Pre-seeded 24-message conversation shows context compression on the first run with per-step trim telemetry.

streamTextconvertToModelMessagesai

Tool Call Repair

Repair invalid tool calls using experimental_repairToolCall. Fix schema validation errors without requiring additional steps that pollute message history.

ToolLoopAgentOutput.arrayai

Structured Agent Output: Output.array

Demonstrate structured agent outputs using ToolLoopAgent with Output.array. Returns structured array output with element schema for predictable, type-safe responses.

HIL Tool Approval BasicChat assistant with human approval workflows for safe tool execution.

More patterns

Additional patterns that fit this topic.

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streamTextgatewaystepCountIs

Intermediate 02

HIL Agentic Context BuilderBuild brand context through AI-guided questioning and web research. Gathers insights to create detailed brand profiles.

streamTexttools:convertToModelMessages

Intermediate 03

Prompt UI ImproverTransform short, vague UI requests into production-grade design briefs with strong visual, interaction, and implementation detail.

generateText

Beginner 04

AI SDK Gemini Flash TextGenerate text and analyze market research using Google's Gemini 2.5 Flash. Includes interactive charts and data visualization.

generateTextgenerateObjecttools:

Intermediate 05

AI SDK Nano Banana ImageGenerate images using Gemini 3.1 Flash Lite Image with prompt optimization. Includes style adaptation and customizable parameters.

generateTextgenerateImage

Intermediate 06

AI SDK Nano Banana Image EditGenerate and edit images using Nano Banana 2.5 Flash. Create new images from text or edit existing ones with natural language. Includes version history and image comparison.

generateTextgenerateImagegateway

Intermediate 07

AI SDK Nano Banana Image MergeGenerate, edit, and merge images using Nano Banana 2.5 Flash. Create new images from text, edit existing ones with natural language, or merge two images together. Includes version history and image comparison.

generateTextgateway

Intermediate 08

HIL Needs ApprovalDemonstrate tool approval with async generators. Includes real-time feedback, approval workflows, and interactive management.

new Agenttool(stepCountIs

Intermediate 09

Tool Input Lifecycle HooksExplore tool input lifecycle hooks: onInputStart, onInputDelta, and onInputAvailable. See how to track tool input generation in real-time during streaming.

streamTextconvertToModelMessagestool(

Beginner 10

Preliminary Tool ResultsReturn preliminary tool results using async iterables. Stream status updates during tool execution before the final result is available.

streamTextconvertToModelMessagestool(

Beginner 11

Tool API ContextPass arbitrary context from generateText/streamText to tool execution via experimental_context. Access context in tool execute functions for dynamic behavior.

streamTextconvertToModelMessagestool(

Beginner 12

Dynamic ToolCreate dynamic tools with runtime-generated schemas using dynamicTool. Demonstrates unit conversion tools where schema adapts based on conversion type (temperature, length, weight, currency) and supports dynamic model selection.

streamTextconvertToModelMessagesdynamicTool

Intermediate 13

Structured Agent Output: Output.choiceDemonstrate structured agent outputs using ToolLoopAgent with Output.choice. Constrain agent outputs to predefined choices for predictable, type-safe responses.

ToolLoopAgentOutput.choiceagent.generate

Intermediate 14

Call Options: prepareCallDynamically configure one ToolLoopAgent per request with callOptionsSchema and prepareCall. A customer-support agent rewrites instructions, gates tools, tunes reasoning effort, and injects RAG context based on account tier and urgency.

ToolLoopAgentcallOptionsSchemaprepareCall

Intermediate 15

Tool Context: experimental_contextInject request-scoped context (user identity, database handles, session) into ToolLoopAgent tools via experimental_context, so the model never supplies sensitive identity in tool inputs.

ToolLoopAgentexperimental_contexttool

Intermediate 16

Chat-Base CloneA comprehensive Chatbase clone demo with widget interface, model selection, web search integration, and human-in-the-loop tool approval workflows.

streamTextconvertToModelMessagesuseChat

Intermediate 17

AI Form GeneratorDescribe a form in plain words and get a working, validated form plus the Zod schema behind it. The model returns a typed field list, so no generated code is ever executed.

generateObject

Intermediate 18

Branding AgentEnter a brand URL to extract colors, typography, and page copy with Firecrawl. A grounded ToolLoopAgent then checks contrast, generates palette variations, and describes writing voice from the scraped page.

Brand Product Placement Generator (Nano Banana)Paste a website URL to extract brand signals with Firecrawl, generate a structured product photography brief, auto-create four Nano Banana placement images, and click any result into a local edit flow.

Intermediate 19

generateTextOutput.objectgateway

Intermediate 20

Brand Mood Board GeneratorPaste a website URL to extract brand signals with Firecrawl, generate a structured mood-scene brief for abstract and environmental imagery, auto-create four brand-world images, and click any result into a local edit flow.

generateTextOutput.objectgateway

Intermediate 21

Brand Guidelines Image GeneratorPaste a website URL to extract brand signals with Firecrawl, generate a structured brand-standards brief, render manual-style spreads (color, typography, grid, photography, and more), and refine any image with edit instructions.

generateTextOutput.objectgateway

Intermediate 22

Competitor Research AgentEnter a competitor URL to get a research brief grounded in their own site. Firecrawl maps and scrapes up to four pages, every extracted fact is checked against the scraped text, and an agent adds positioning, gaps, and a sales battle card with quoted evidence.

Data Analysis AgentUpload CSV or JSON data and get AI-powered analysis with interactive visualizations. Detect patterns, correlations, outliers, and generate insights with confidence scores. Export comprehensive reports.

Intermediate 23

Accessibility Audit AgentScan a page's HTML for common accessibility gaps (alt text, headings, links, forms, landmarks). Firecrawl scrapes the page; deterministic checks score and list fixes. Optional agent tools read the same scraped context.

Intermediate 24

gatewayToolLoopAgenttool(

Intermediate 25

SEO AuditAudit any website for on-page SEO issues using Firecrawl. Scrapes a URL, then renders a full-screen report analyzing meta tags, content structure, links, keywords, and schema markup with exportable reports.

Beginner 26

Marketing agent with skills + readFileChat UI wired to a ToolLoopAgent that loads filesystem skills and exposes readFile on the skill sandbox—demo includes ad-creative, copywriting, and paid-ads skill packs for campaign workflows.

ToolLoopAgentcreateAgentUIStreamResponsegateway

Intermediate 27

Reddit Product Validation AgentValidate startup ideas with a two-phase workflow: discover relevant subreddits, then analyze pain points, existing solutions, willingness to pay, demand trends, and early adopters. Get a go/no-go scorecard with actionable insights.

AI Wizard Brand StrategyA full-screen AI levee interface where each stage is an adaptive interview with lock-based progression and dynamic tool-driven prompts.

Intermediate 28

useChatDefaultChatTransporttool(

Advanced 29

Firecrawl Brand PDFGenerate structured brand brief PDFs from any website URL using Firecrawl branding extraction and JSON Render PDF streaming.

streamTextgateway

Intermediate 30

Firecrawl Landing Page Teardown PDFGenerate a conversion-focused landing page teardown PDF using one landing URL plus 2-5 competitor URLs.

generateObjectstreamTextgateway

Intermediate 31

Jev Composite ScorecardScore a pull request description with three atomic Jev score questions, then combine the answers with weights in code.

Jev Output VerifierWrite an answer, then show it only if Jev is at least 90% sure it actually answers the question. If not, rewrite once.

Beginner 32

experimental_evaluategenerateTextgateway

Beginner 33

Jev Loop BreakerLook up facts one step at a time. Stop when Jev is at least 90% sure the notes answer the task, or after 3 lookups.

experimental_evaluategenerateTextstopWhen

Beginner 34

Jev Sub-agent DelegationPick one specialist with a Jev choice, then run only that agent when confidence and selected probability both clear their floors.

experimental_evaluategenerateTextgateway

Beginner 35

Jev Best-of-N JudgeThree prepared replies sit on the table. A Jev choice lifts the winner only when its probability clears 0.70.

Jev Infinite FAQA FAQ whose last row is a live ask field. Jev opens a canned answer when it matches, or a short grounded answer becomes another row.

Beginner 36

experimental_evaluategenerateText

Beginner 37

Jev Tool PermissionsPrune an agent's tool list before the model sees it. Allow and deny rules run first; Jev asks one relevance boolean per remaining tool in a single call.

experimental_evaluateexperimental_filterActiveToolsprepareStep

Intermediate 38

Code Mode CompareSee if stock covers an open order. The model writes one program that calls both lookups and subtracts.

generateTextexperimental_codeModeToolexperimental_toolCallers

Beginner 39

Jev Email TagsTag a closed inbox with one Jev boolean per tag. A stamp lands only when its probability clears a floor.

Jev Table QueryFilter or sort a closed table with one Jev question per row. A column name never leaves the app.

Beginner 40

Jev MemoryLong-term agent memory with three Jev gates. Keep durable facts, recall what fits a token budget, and evict what went stale. Nothing is rewritten.

Beginner 41

Jev + Web ContextExa finds live evidence, Jev answers the same question with and without it, and leave-one-out weights show what each source changed.

Beginner 42

Jev EvalsRun a rubric eval suite with jev-evals: one Jev call per case answers every rubric, and a baseline diff catches fractional regressions.

Intermediate 43

Generate Speech (OpenAI)Convert text to speech using OpenAI's API. Includes multiple voices, speed control, and real-time playback for voiceovers and accessibility.

Intermediate 44

generateSpeech

Transcribe Audio (OpenAI)Transcribe audio files using OpenAI's API. Includes real-time transcription and language detection.

transcribe

Streaming Structured OutputStream structured output from AI prompts in real-time using streamText with Output.object(). Generate typed data with useObject and live rendering.

streamTextOutput.objectuseObject

Claude Structured OutputGenerate structured output from AI prompts using Anthropic Claude. Create typed data with generateText and Output.object().

generateTextOutput.object

Gemini Structured OutputGenerate structured output from AI prompts using Google Gemini. Create typed data with generateText and Output.object().

generateTextOutput.object

Generate Image (OpenAI)Generate images from text prompts using OpenAI's GPT Image 2.5 Sunburst through the Vercel AI Gateway.

generateImagegateway

Generate Image (Flux)Generate images from text prompts using Flux through the Vercel AI Gateway. Fast, high-quality image generation with one API key.

generateImagegateway

Generate Image (Grok Imagine)Generate images from text prompts using xAI Grok Imagine through the Vercel AI Gateway.

generateImagegateway

Generate Image (Google Gemini)Generate images from text prompts using Google Gemini's image model.

generateText

Generate Speech (ElevenLabs)Convert text to speech using ElevenLabs API. Includes multiple voices and high-quality audio generation.

experimental_generateSpeech

Transcribe Audio (ElevenLabs)Transcribe audio files using ElevenLabs API. Includes real-time transcription and language detection.

experimental_transcribe

Search - Exa AI (robust)Search the web using Exa's semantic API and real-time crawling. Includes URL search, content extraction, Wikipedia, Reddit, and news search tools.

Search - Firecrawl (robust)Search the web using Firecrawl's API and real-time crawling. Includes URL search, content extraction, Wikipedia, Reddit, and news search tools.

Scrape - Cheerio (lightweight)Scrape websites using Cheerio's fast HTML parser. Includes URL scraping, website crawling, and content extraction without external API costs.

Scrape - Jina AI (advanced)Scrape websites using Jina AI's reader service with JavaScript rendering. Includes URL scraping, website crawling, and content extraction with AI-powered parsing.

Scrape - Markdown.new (free)Scrape websites using Cloudflare's markdown.new service. Extract clean markdown content from any URL. No API key required.

Jev Action GateOne command at a time. It passes the gate only when a Jev boolean clears 0.90.

Jev Confidence RouterFour trays are on the table. A message flies to a team only when confidence and the selected probability both clear their floors.

Beginner 61

Jev Search FilterFilter a closed catalog with one Jev boolean per item. Matches rise out of the pile when their probability clears a floor.

Beginner 62