AI real-time translation

Doubao

Agents · Doubao Seed 2.1 Pro (in-house ByteDance), with Seed 2.0 / 1.5 on free tier

8.5

ByteDance's flagship AI assistant with a real agent mode and one of the largest user bases outside ChatGPT

OpenAI Playground

Writing · Multi-model (GPT-4o, GPT-4.1, o-series, DALL-E, Whisper, TTS)

8.2

OpenAI's official browser sandbox for prompting, tuning, and testing every model on the platform before you ship API code.

AstrBot

Agents · Multi-model (OpenAI, Anthropic, Gemini, DeepSeek, Ollama, Dify, Coze)

7.3

Open-source agentic AI assistant that bridges chat platforms like Telegram, Discord, and QQ with any LLM and a 1000+ plugin ecosystem.

Dia

Audio · Dia-1.6B

7.3

Open-weights 1.6B text-to-dialogue model that generates ultra-realistic multi-speaker conversations in one pass.

Hour One

Video · Proprietary avatar + TTS models

7.2

Text-to-video platform built around photorealistic AI presenter avatars for business communications.

PaletteBrain

Writing · OpenAI (BYO key); Azure OpenAI supported

6.9

macOS keyboard launcher that pipes selected text in any app to ChatGPT via your own OpenAI key.

Bland AI

Audio · Proprietary in-house voice models

Enterprise voice AI for automated phone calls at scale

Cluely

Writing

Real-time AI meeting assistant that takes notes and answers questions while you talk

Genspark

Agents · Mixture-of-agents across ~9 LLMs including GPT-4.1, Claude, Gemini plus OpenAI Realtime API for voice

A no-code Super Agent that orchestrates 9 frontier LLMs and 150+ tools to research, build, and even make phone calls for you

OpenAI Agents SDK (Python)

Agents · GPT-4o / GPT-4.1 / gpt-realtime (provider-pluggable via LiteLLM)

A lightweight Python framework for building multi-agent LLM applications with handoffs, guardrails, and built-in tracing.

Supabase

RAG

Open-source Firebase alternative built on Postgres with a first-class pgvector AI toolkit.

Claude

Featured

Writing · Claude Opus / Sonnet

9.6

Anthropic's flagship assistant for long-form writing, analysis, and coding.

Runway

Featured

Video · Gen-4

9.0

Pro-grade AI video editor and Gen-4 generation.

LangGraph

Featured

Agents · BYO (Claude / GPT / open)

8.8

Stateful, graph-based agent orchestration from LangChain.

DataStax Astra DB

RAG · Bring-your-own embeddings; integrates with OpenAI, Cohere, Hugging Face, Mistral, NVIDIA NIM, and Vertex AI via server-side vectorize

8.6

Serverless vector and document database for production RAG and AI agents

IBM watsonx

Agents · IBM Granite (3.x, Code, Time Series), Meta Llama 3.x, Mistral, plus other curated open models

8.6

Enterprise AI platform for building, deploying, and governing models and agents

Gong

Audio · In-house speech and language models, with additional agentic features reportedly built on frontier LLMs

8.5

Revenue AI platform that captures, transcribes, and analyzes customer conversations to drive sales outcomes.

Kittl

Image Generation · Multi-model: ByteDance Seedream 3-4.5, Ideogram 2A/3, Google Imagen 4 + Nano Banana, OpenAI DALL-E 3 / ChatGPT Image, Black Forest Labs Flux

8.5

AI-first design platform combining multi-model image and vector generation with a full browser editor

Seedream

Image Generation · ByteDance Seedream (4.0 / 4.5 / 5.0 Lite family, in-house)

8.5

ByteDance's unified text-to-image and image-editing model, served via Volcengine.

Quivr

RAG · Multi-model (OpenAI, Anthropic, Mistral, Gemma)

8.4

Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.

Zed

Coding · Claude (Sonnet/Opus), GPT-4o/5, Gemini, Ollama-hosted local models, and Zed's own Zeta2 open-weight edit-prediction model

8.4

A high-performance, multiplayer code editor built in Rust with native AI agent workflows.

BentoML

Agents · Multi-model

8.2

Open-source framework and managed platform for serving and scaling AI models in production.

Humanloop

Evaluation · Platform (any LLM)

8.2

Prompt management + evals for collaborative AI teams.

Leonardo.ai

Image Generation · Phoenix / Lightning / fine-tuned variants

8.2

Production-grade image gen for games and design teams.

Sim

Agents · Multi-model (Claude, OpenAI, Google)

8.2

Open-source visual workspace for building, deploying, and monitoring AI agents.

Vespa

RAG · Hosted search engine (not an LLM)

8.2

Yahoo's open-source search engine with vector + sparse retrieval.

ElevenLabs Conversational AI

Audio · ElevenLabs Scribe (ASR) + pluggable LLM + ElevenLabs TTS

8.1

Production-grade voice agent platform layering ElevenLabs TTS, ASR, and LLM orchestration into a single deployable stack.

PyGPT

Writing · Multi-model (GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Ollama)

8.1

Open-source desktop AI assistant that wires every major LLM provider into one local app with agents, vision, and a code interpreter.

Repomix

Coding · ChatGPT, Claude, Gemini, Grok

8.1

Packs an entire codebase into a single AI-friendly file so LLMs can actually read your repo.

Respeecher

Audio · Proprietary Respeecher voice models

8.1

Studio-grade AI voice cloning and TTS used by Hollywood productions for speech-to-speech and dubbing work.

Hume AI

Audio · Octave, EVI, TADA

8.0

Emotionally intelligent voice AI with expressive TTS, speech-to-speech, and human-feedback evaluation APIs.

Pika

Video · Pika 2.0

8.0

Playful, social-first AI video generator with creative effects.

Resemble.ai

Audio · Resemble v2 / Localize

8.0

Enterprise voice cloning with deepfake-detection layer.

Rivet

Agents · Multi-model

8.0

Open-source visual IDE for building and debugging LLM agent graphs.

WellSaid

Audio · Proprietary WellSaid TTS

8.0

Enterprise-grade AI text-to-speech built on licensed voice actor recordings.

Deepgram

Audio · Nova, Flux, Speak (proprietary)

7.9

Production-grade speech-to-text, text-to-speech, and voice-agent APIs for real-time and batch audio.

Fliki

Video · Multi-model (Veo, Kling, Seedance, Gemini, Minimax, ElevenLabs)

7.9

Text-to-video platform that stitches AI voiceovers, stock footage, and avatars into shareable clips.

Grammarly

Writing · Proprietary + multi-model

7.9

Cross-app AI writing assistant that catches errors, rewrites paragraphs, and adjusts tone in the tools you already use.

Pictory

Video

7.8

Turn long-form text, articles, and recordings into short, captioned videos without touching a timeline editor.

Voicebox

Audio · Multi-model (Chatterbox, Qwen TTS, Whisper, etc.)

7.4

Open-source desktop voice studio for local cloning, dictation, and giving MCP agents a voice.

Writesonic

Writing · Multi-model (OpenAI / Anthropic via API)

7.4

All-in-one AI writer with SEO research, articles, and chat.

AgentMemory

Agents · Multi-model (Claude, Gemini, MiniMax, OpenRouter)

7.3

Open-source persistent memory runtime for AI coding agents, with hybrid retrieval and zero external dependencies.

Azure AI Speech (Neural TTS)

Audio · Azure Neural TTS (plus HD and Azure OpenAI voices)

7.3

Microsoft's enterprise-grade neural text-to-speech with 100+ languages, custom brand voices, and SSML control.

Gemini

Writing · Gemini 2.x (Flash / Pro / Ultra)

7.3

Google's flagship multimodal AI assistant with deep integration into Workspace and Android.

Gorilla

Agents · gorilla-openfunctions-v2 (6.91B)

7.3

Open-source LLM purpose-built for function calling and API invocation across thousands of tools.

omp (Oh My Pi)

Coding · Multi-model (Claude, OpenAI, others)

7.3

Open-source terminal coding agent with LSP, DAP, subagents, and a native Rust execution engine.

Opik

Evaluation · Multi-model

7.3

Open-source LLM observability and evaluation platform for debugging and monitoring AI agents in production.

Pathway

RAG · Multi-model

7.3

Live data framework for production RAG and streaming ETL pipelines in Python.