Free multimodal APIs — vision, audio, embeddings

Free API tiers that go beyond text: vision, image, audio/speech, embeddings and rerank. A live slice of a verified dataset.

Free tiers that reach beyond plain text — vision, image, audio/speech, embeddings or rerank on the free plan.

34 of 51 tracked providers match.

ProviderTypeWhat's freeThe catchVerified
Google Gemini API (AI Studio)
no cardno phonecommercial OKOpenAI-compat
OngoingGemini 2.5 Flash, 2.5 Flash-Lite, 2.5 Pro (limited), embeddings, TTS modelsFree-tier prompts/outputs may be used by Google to improve its products when used outside the UK/CH/EEA/EU 2026-07-11
Groq
no cardphonecommercial OKOpenAI-compat
OngoingOpen-weight models (Llama, Qwen, GPT-OSS) plus Whisper, no credit card requiredLimits apply at the organization level, not per API key. Phone verification required at signup 2026-07-11
OpenRouter
no cardno phonecommercial OKOpenAI-compat
Ongoing20+ models with a :free suffix, single API across many providersToS (Apr 2026) prohibits resale or building a competing service on the free models; a private proxy for personal use is fine 2026-07-11
Cloudflare Workers AI
no cardno phonecommercial OKOpenAI-compat
Ongoing10,000 Neurons/day, all account plansResets daily at 00:00 UTC; overage on a Workers Paid plan bills at $0.011/1,000 Neurons 2026-07-11
Cohere
no cardno phoneeval onlyOpenAI-compat
OngoingTrial (evaluation) API keys covering chat, embed and rerankExplicitly for evaluation only — Cohere's terms prohibit production/commercial use on a trial key 2026-07-30
HuggingFace
no cardOpenAI-compat
OngoingFree CPU Basic + ZeroGPU for Spaces; Inference Providers has a monthly credit ($0.10/mo on Free plan, $2.00/mo on PRO/Team/Enterprise)Credits only apply with "Routed by Hugging Face" billing, not with a Custom Provider Key 2026-07-30
SiliconFlow
phoneOpenAI-compat
OngoingSeveral models permanently free (e.g. Qwen2.5-7B-Instruct and others) at $0 cost, plus a $1 welcome credit for paid modelsSignup requires SMS phone verification. Full "real-name authentication" (needed for recharging/billing) requires a mainland China, Hong Kong/Macao, or Taiwan ID document — this may limit full access for users without one, though basic use of free models appears reachable with standard account verification 2026-07-30
Z.ai (Zhipu AI / GLM)
no phonecommercial OKOpenAI-compat
OngoingGLM-4.5-Flash, GLM-4.7-Flash (text), and GLM-4.6V-Flash (vision) are officially listed as $0 cost (input, cached input, and output) on a permanent basisTerms of Use prohibit using the service to "develop, train, or improve" competing algorithms or models — otherwise general use, including commercial, isn't restricted 2026-07-30
Scaleway Generative APIs
OpenAI-compat
Trial1,000,000 tokens free + 60 min Whisper transcription; billing starts at token 1,000,001European provider (France). Free allowance is a one-time token bucket, not time-limited 2026-07-30
Jina AI
no cardno phonecommercial OKOpenAI-compat
Trial10M free tokens (one-time) across all models — embeddings (v3/v4), rerankers, classifier; plus a keyless Reader (r.jina.ai) for basic useThe 10M-token balance is a one-time grant that does not replenish; the keyless Reader is genuinely ongoing. Hosted API is commercial-OK and data is not used for training. No card required. 2026-07-30
Deepgram
no cardno phonecommercial OK
Trial$200 free credit on signup (no card, no expiration) — Nova speech-to-text and Aura text-to-speech at pay-as-you-go ratesNo card and no expiration on the credit. Data catch: the Model Improvement Program is opt-OUT — send mip_opt_out=true per request to keep your data out of training. Native REST/WebSocket API, not OpenAI-compatible. 2026-07-30
AssemblyAI
no cardno phonecommercial OKOpenAI-compat
Trial$50 free credit on signup (no card) — pre-recorded & streaming speech-to-text, Speech Understanding, and an OpenAI-compatible LLM Gateway (25+ models)One-time credit, not renewing. Catch: the default model differs between free and paid accounts — set speech_models explicitly to avoid cost jumps on upgrade. Only the LLM Gateway is OpenAI-compatible. 2026-07-30
Mixedbread
no cardno phonecommercial OK
TrialStarter plan: $5 one-time credit (no card) — embeddings (mxbai-embed-large-v1), reranking, and multimodal search over PDF/image/doc/codeFree credit is usage-based and non-renewing; usage-based pricing applies afterward. Native REST API, not documented as OpenAI-compatible. No card required. 2026-07-30
Clarifai
no cardphoneOpenAI-compat
TrialOne-time $5 credit across serverless models (GPT-OSS-120B, Claude, Llama), vision, embeddings and image generationCatch: SMS phone verification is required to claim the $5. Credit is one-time and expires 30 days after grant; a card is required to recharge afterward. 2026-07-30
Ollama Cloud
no cardno phonecommercial OKOpenAI-compat
Ongoing$0 Free plan: access to cloud-hosted open models (Qwen, GPT-OSS, DeepSeek, etc.) via APIFirst-party — Ollama hosts the cloud models. Requires an ollama.com account + API key (`ollama signin`); the free plan is for light usage, Pro ($20/mo) raises limits. No card required. 2026-07-30
AI Horde
no cardno phone
OngoingFree crowdsourced text & image generation; anonymous API key '0000000000' (no registration), or register to earn kudos for priorityCommunity-powered volunteer network — model availability and speed vary with worker supply, so it is not a fixed-SLA service. No card, no phone. Kudos never expire and cannot be sold. 2026-07-30
ModelScope (API-Inference)
no cardeval onlyOpenAI-compat
Ongoing~2,000 free API calls/day across open-weight models (Qwen3, DeepSeek, GLM, Llama, etc.) via API-InferenceAlibaba's model hub — a different product from Alibaba Model Studio. Requires a ModelScope account bound to an Alibaba Cloud account with real-name (ID) verification — a practical barrier for non-China users. Explicitly non-commercial ("for developers to experience"). No card. 2026-07-30
Pollinations.ai
no cardno phone
OngoingFree hosted image models (Flux, Turbo, Stable Diffusion) via a simple GET URL; also text and audio. No signup required to startAnonymous free images may carry a watermark (since 2025); free registration removes it via the nologo parameter. No card, no phone. Commercial use is not explicitly guaranteed in the docs. 2026-07-30
Runware
no cardno phonecommercial OK
Trial$2 in signup credits across first-party image models (FLUX.1/FLUX.2, Stable Diffusion 3, SDXL) on the Sonic Inference Engine — hundreds to thousands of generationsThe $2 requires signup with a business email (personal/free-mail domains may be rejected); one-time, non-renewing. No watermark, no card, commercial use allowed. The OpenAI-compatible endpoint is chat-only, not for images. 2026-07-30
Pinecone Inference
no card
OngoingStarter (free) plan: 5M tokens/mo for embedding models (llama-text-embed-v2, multilingual-e5-large) and 500 requests/mo for the bge-reranker-v2-m3 rerank modelFree rerank limited to bge-reranker-v2-m3; overages are pay-as-you-go. Not OpenAI-compatible. No card required. 2026-07-30
Twelve Labs (Marengo Embed)
no card
OngoingFree plan: the Marengo Embed API for all input types (video, audio, image, text) at no cost, plus ~600 min indexingNo credit card for the Free plan, but indexed data expires after 90 days unless upgraded. Marengo produces multimodal embeddings. Not OpenAI-compatible. 2026-07-30
OCR.space
no cardno phonecommercial OK
Ongoing25,000 conversions/month (Engine 1 & 2) plus 2,500 Engine 3 conversions/month; max 1 MB file, PDFs up to 3 pagesFree searchable-PDF output carries a watermark (raw text extraction is unrestricted); the free key needs only an email, no card. Commercial use permitted. 2026-07-30
LlamaParse (LlamaCloud)
no cardno phonecommercial OK
OngoingFree plan: 10,000 credits/month (~10,000 pages in balanced parse mode at 1 credit/page)Credit-based (1,000 credits = $1.25); premium parse modes consume more credits per page. No card required. Document parsing for RAG (LlamaIndex). 2026-07-30
Nanonets
no cardno phonecommercial OK
Trial$50 in free credits on signup (one-time) across data-extraction / OCR workflowsOne-time signup credit, not renewing; no credit card required to start. Paid plans start at $100/month afterwards. 2026-07-30
Moondream Cloud
OpenAI-compat
Ongoing$5/month usage credits in every workspace (Free plan) for the Moondream vision model — caption, query (VQA), detect, pointRecurring $5/month credit; card requirement not stated on the pricing page; commercial terms not specified. OpenAI-compatible endpoint. 2026-07-30
Speechmatics
no card
Ongoing3,000 minutes (50 hours)/month speech-to-text + 1,000,000 characters (~20 hrs)/month text-to-speechNo credit card required to start; add a card only when you exceed the free limit. Recurring monthly allowance covering both STT and TTS. Commercial-use permission not explicitly stated on the pricing page. 2026-07-30
Speechify API
no cardno phonecommercial OK
Ongoing50,000 characters/month TTS (hard cap) + 60 min/month voice agentsCommercial use is allowed on the free tier. No credit card required. Hard monthly cap that pauses at the limit. 2026-07-30
Hume AI (Octave TTS)
no cardcommercial OK
Ongoing10,000 characters/month TTS (~10 minutes) on the Free planThe free plan includes a commercial license; overage billed at $0.15/1,000 chars. No card stated as required to start. Not OpenAI-compatible. 2026-07-30
Unreal Speech
commercial OK
Ongoing250,000 characters/month TTS (~6 hours of audio)Commercial use allowed, but free-plan users must attribute Unreal Speech with a link when publishing audio. First-party REST endpoints. Card requirement not stated. 2026-07-30
ElevenLabs
no cardno phoneeval only
Ongoing10,000 credits/month shared across Text-to-Speech, Speech-to-Text and more (~10 min TTS/month)The free tier is NON-COMMERCIAL only per the Terms of Use (a commercial license begins on paid Starter, $6/mo), and historically required attribution. API access is available on the free plan. No credit card to sign up. 2026-07-30
Sarvam AI
OpenAI-compat
Trial₹100 in free credits on signup, usable across all APIs including the Sarvam-M chat/LLM API and speech (STT/TTS)One-time signup credit shared across all APIs; card/phone requirement not stated on the docs. India-focused provider (pricing in INR), strong Indic-language models. 2026-07-30
GladiaTrial€50 in free credits on signup for speech-to-text (~80+ hrs pre-recorded or 60+ hrs real-time at current rates)One-time grant with no monthly reset; prepaid model — top up once the credit is consumed. Card requirement not explicitly stated on the pricing page. 2026-07-30
RimeTrial3,000 free TTS minutes for every new account (Starter plan)One-time allotment on signup; card requirement and commercial-use terms for the free minutes are not stated on the pricing page. 2026-07-30
Tencent Hunyuan
OpenAI-compat
Trial1,000,000 free tokens for Hunyuan text LLMs (hunyuan-a13b, turbos, translation & vision models), plus a separate 1,000,000-token allotment for hunyuan-embeddingFree resource package valid 1 year from activation; unused tokens expire. Tencent Cloud generally requires mainland-China real-name ID verification to activate — a practical barrier for non-China users. Commercial-use terms not stated on the free-quota page. 2026-07-30