Agent Jig
Agent Jig provides agent testing/evaluation.
50 agent evaluations/mo
Active · verified 2026-07-17
AI services offering an ongoing free tier rather than only a one-time trial.
50 providers · source-backed records with verification dates
Agent Jig provides agent testing/evaluation.
50 agent evaluations/mo
Active · verified 2026-07-17
Realtime voice, video, conversational AI, avatar, and streaming infrastructure for interactive applications.
10K minutes/mo + 300 minutes
Active · verified 2026-07-17
Video creation platform using AI avatars, dubbing and translation; provides web studio and limited API.
3 videos/mo + 16 credits
Active · verified 2026-07-17
Apify provides web data extraction, crawling, browser automation, and agent tooling.
$5 credit/mo
Active · verified 2026-07-17
Arize AX / Phoenix provides AI/agent evaluation and observability.
25K spans/mo + 1 GB/mo
Active · verified 2026-07-17
Serverless GPU cloud for deploying AI inference, task queues and sandboxes with per-second billing.
$30 credit/mo
Active · verified 2026-07-17
Brave Search API provides AI/web search and grounded answers.
$5 credit/mo
Active · verified 2026-07-17
Browserless provides browser agents and automation.
1K units/mo
Active · verified 2026-07-17
Cartesia provides speech, voice, and voice agents.
$1 credit/mo + 20K credits/mo
Active · verified 2026-09-19
Serverless GPU infrastructure allowing deployment of ML models with per-second billing and auto-scaling.
Always free
Active · verified 2026-07-17
Serverless AI inference service running on Cloudflare's global edge network, with access to open-source models.
10K neurons/day
Active · verified 2026-07-17
Cloudinary provides image/video APIs, transformation, optimization, and delivery.
25 credits/mo
Active · verified 2026-07-17
Composio provides agent tools, integrations, and tool routing.
100K tool calls/mo + 50K triggers/mo
Active · verified 2026-07-17
Generative voice platform offering high-quality text-to-speech, speech-to-speech and voice cloning in many languages.
10K credits/mo
Active · verified 2026-07-17
Exa provides AI search, retrieval, crawling, and research.
$10 credit/mo + $20 credit
Active · verified 2026-07-17
Firecrawl provides web scraping, crawling, search, and AI data ingestion.
1K credits/mo
Active · verified 2026-07-17
Future AGI provides agent evaluation, simulation, observability, gateway, and guardrails.
2K credits/mo + 100K requests/mo
Active · verified 2026-07-17
Galileo provides AI evaluation, observability, and reliability.
5K traces/mo
Active · verified 2026-07-17
Gladia provides speech-to-text and voice agents.
10 hours/mo
Active · verified 2026-07-17
Cloud speech recognition API supporting multiple languages and audio encoding formats.
60 minutes/mo
Active · verified 2026-07-17
Generates natural-sounding speech from text using Google's deep learning models.
4.0M characters/mo + 1.0M characters/mo
Active · verified 2026-09-19
High-performance inference platform running LLMs on Groq's custom chips with extremely low latency.
Always free
Active · verified 2026-07-19
Helicone provides LLM observability, gateway, caching, and prompt/evaluation tooling.
10K requests/mo
Active · verified 2026-07-17
AI video generator with avatars and translation capabilities; offers both web UI and API.
3 videos/mo
Active · verified 2026-07-17
HoneyHive provides AI evaluation and observability.
10K events/mo
Active · verified 2026-07-17
IBM's speech recognition service supporting real-time and batch transcription.
500 minutes/mo
Active · verified 2026-09-13
Text-to-speech service with various voices and expressive options.
10K characters/mo
Active · verified 2026-09-13
Serverless API platform for generative models offering both free and paid tiers.
1.0M requests/mo + 1.0M spans/mo
Active · verified 2026-07-17
JigsawStack provides a multi-model AI API platform.
1.0M tokens/mo
Active · verified 2026-07-17
Langfuse provides LLM evaluation, tracing, observability, and prompt management.
50K units/mo
Active · verified 2026-07-17
LangSmith provides AI observability, evaluation, agent tooling, and sandboxes.
5K traces/mo
Active · verified 2026-07-17
Hosted document parsing, agentic OCR, structured extraction, and document workflow APIs from LlamaIndex.
10K credits/mo
Active · verified 2026-07-19
Maxim AI provides agent evaluation, observability, and prompt management.
10K logs/mo
Active · verified 2026-07-17
Mem0 provides agent memory and personalization.
10K requests/mo + 1K requests/mo
Active · verified 2026-07-17
Open-source vector database with cloud service (Zilliz Cloud) for high-scale retrieval and similarity search.
5 GB
Active · verified 2026-07-17
Serverless platform for running Python code and ML workloads on GPUs without managing infrastructure.
$30 credit/mo
Active · verified 2026-07-17
OCR.space provides OCR/document conversion.
25K requests/mo
Active · verified 2026-07-17
OpenRouter is a unified API platform that provides developers with access to a wide variety of large language models from multiple providers through a standardized interface, simplifying integration and optimizing model usage.
50 requests/day
Active · verified 2026-07-17
Parea AI provides AI evaluation, observability, human review, and prompt management.
3K logs/mo
Active · verified 2026-07-17
Portkey provides AI gateway, observability, prompt management, and guardrails.
10K logs/mo
Active · verified 2026-07-17
remove.bg provides background removal/computer vision.
50 images/mo
Active · verified 2026-07-17
Roboflow provides computer vision, labeling, training, workflows, and hosted inference.
15 credits/mo
Active · verified 2026-07-17
SERP Search provides search APIs and agent retrieval.
1K requests/mo
Active · verified 2026-07-17
Sightengine provides visual/text moderation, synthetic-media detection, and safety APIs.
2K operations/mo
Active · verified 2026-07-17
Generative video platform offering AI avatars, dubbing and voiceovers for business communication.
10 minutes/mo
Active · verified 2026-07-17
Tavily provides AI search, web extraction, crawling, and research.
1K credits/mo
Active · verified 2026-07-17
Traceloop provides LLM/agent observability and evaluation.
50K spans/mo
Active · verified 2026-07-17
Veryfi provides document capture, OCR, and structured extraction.
100 documents/mo
Active · verified 2026-07-17
Open-source vector database that can be self-hosted or used through Weaviate Cloud Service (WCS).
1K requests/mo
Active · verified 2026-07-17
Weights & Biases Weave provides AI evaluation, tracing, and experiment tracking.
1 GB/mo + 5 GB/mo
Active · verified 2026-07-17
No. An always-free tier can have recurring limits on requests, tokens, minutes, or features. Compare the recorded allowance and restrictions on each provider page, then confirm the current terms at the official source.