AI · alternatives · 2026
24 alternatives to OpenAI WebSocket Mode for Responses API
Persistent AI agents. Up to 40% faster.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.
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Switchfree▲527Bring any AI agent into Slack, Teams & Discord. Open-source.
Aug 2026 · flintai.dev · its alternatives →
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ConversAI▲381Respond to anything in 1 click with the smart chat assistant
2023 · conversai.co · its alternatives →
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Hi HN! Last year the project I launched here got a lot of good feedback on creating speech to speech AI on the ESP32. Recently I revamped the whole stack, iterated on that feedback and made our project fully open-source—all of the client, hardware, firmware code. This Github repo turns an ESP32-S3 into a realtime AI speech companion using the OpenAI Realtime API, Arduino WebSockets, Deno Edge Functions, and a full-stack web interface. You can talk to your own custom AI character, and it responds instantly. I couldn't find a resource that helped set up a reliable, secure websocket (WSS) AI…
2025 · github.com · its alternatives →
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Hey HN, we've been working with OpenAI for the past few months on the new Realtime API. The goal is to give everyone access to the same stack that underpins Advanced Voice in the ChatGPT app. Under the hood it works like this: - A user's speech is captured by a LiveKit client SDK in the ChatGPT app - Their speech is streamed using WebRTC to OpenAI’s voice agent - The agent relays the speech prompt over websocket to GPT-4o - GPT-4o runs inference and streams speech packets (over websocket) back to the agent - The agent relays generated speech using WebRTC back to the user’s device The…
2024 · github.com · its alternatives →
- 5DA
Hey HN! I’ve written a bunch of WebSocket servers over the years to do simple things like state synchronization, WebRTC signaling, and notifying a client when a backend job was run. I realized that if I had a simple way to create a private, temporary, mini-redis that the client could talk to directly, it would save a lot of time. So we created DriftDB. In addition to the open source server that you can run yourself, we also provide https://jamsocket.live where you can use an instance we host on Cloudflare’s edge (~13ms round trip latency from my home in NY). You may have seen my…
2023 · driftdb.com · its alternatives →
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Agentmemory▲310Persistent memory for Claude Code, Codex & coding agents
May 2026 · agent-memory.dev · its alternatives →
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AI answers inline as you type, just use [brackets]
2025 · inbrackets.ai · its alternatives →
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Self-hosted alternative to OpenAI's Responses API compatible with Agents SDK and works with all model providers (Claude/R1/Qwen/Ollama etc) - open-responses/open-responses
2025 · github.com · its alternatives →
- 10
HTTP API for Claude Code, Goose, Aider, Gemini, Amp, and Codex - coder/agentapi
2025 · github.com · its alternatives →
- 11
Drift▲76Scroll on a isolated window while waiting for AI responses
Feb 2026 · chromewebstore.google.com · its alternatives →
- 12
Hi HN, I forked chromium and built agent-browser-protocol (ABP) after noticing that most browser-agent failures aren’t really about the model misunderstanding the page. Instead, the problem is that the model is reasoning from a stale state. ABP is designed to keep the acting agent synchronized with the browser at every step. After each action (click, type, etc), it freezes JavaScript execution and rendering, then captures the resulting state. It also compiles the notable events that occurred during that action loop, such as navigation, file pickers, permission prompts, alerts, and downloads,…
Mar 2026 · github.com · its alternatives →
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DeltaMemory▲104Most AI agents forget everything between sessions. We built DeltaMemory to fix that. It's a cognitive memory layer that gives agents persistent recall, automatic fact extraction, and temporal reasoning — via a single SDK call. Key numbers: - 89% accuracy on LoCoMo long-term conversation benchmark - 50ms p50 retrieval latency - 97% cost reduction vs raw token re-processing Open source SDKs, works with any LLM stack. Currently in early access. Happy to answer questions about the architecture, benchmark methodology, or how we handle knowledge graphs.
Feb 2026 · deltamemory.com · its alternatives →
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Hi HN! Smooth CLI (https://www.smooth.sh) is a browser that agents like Claude Code can use to navigate the web reliably, quickly, and affordably. It lets agents specify tasks using natural language, hiding UI complexity, and allowing them to focus on higher-level intents to carry out complex web tasks. It can also use your IP address while running browsers in the cloud, which helps a lot with roadblocks like captchas (https://docs.smooth.sh/features/use-my-ip). Here’s a demo: https://www.youtube.com/watch?v=62jthcU705k Docs start at…
Feb 2026 · docs.smooth.sh · its alternatives →
- 16
AI Mode API▲75I wanted to query Google's AI Mode programmatically, and there's no official API. So I built a browser extension that gives you a private API endpoint tied to your browser. Install the extension → it connects to a relay server → you get a unique, private endpoint. Send POST requests from your scripts/terminal. Your browser receives the query, the extension fires up AI Mode, executes the query, returns JSON with the answer, follow-ups, and sources. The endpoint is private (only you can query it). Extension only touches the AI Mode page, nothing else in your browser. Demo video:…
Jan 2026 · aimodeapi.com · its alternatives →
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API Pick▲71Data APIs for AI agents & developers — free to start
Feb 2026 · apipick.com · its alternatives →
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IndexedAI▲89Your site scores X/100 for AI agents with next steps
May 2026 · indexedai.tech · its alternatives →
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Nov 2025 · iggy.apache.org · its alternatives →
- 21
Hi, I've been watching the rise of AI agents with a mix of excitement and dread. We're building incredible tools that can browse the web, but we're forcing them to navigate a world built for human eyes. They scrape screens and parse fragile DOMs. We're trying to tame them to act like humans. I believe this is fundamentally wrong. The goal isn't to make AI operate at a human level, but to unlock its super-human potential. The current path is dangerous. When agents from OpenAI, Google, and others start browsing at scale and speed, concepts like UI/UX will lose meaning for them. The entire…
2025 · github.com · its alternatives →
- 22
Give your AI agents a real, authenticated email address.
May 2026 · e2a.dev · its alternatives →
- 23
We were building an agent system and wanted email as a trigger. We decided to take it out and made it a standalone service. The primary email features we wanted and used for our own agent system: 1. Email threading stays consistent with agent conversation threading 2. Human in the loop review for outbound emails (especially during testing phase) 3. Quick onboarding/offboarding email addresses for agents within minutes 4. Websocket for local agents and at-least-once webhook delivery for Cloud agents Not yet: DMARC (only SPF/DKIM today), scoped API keys, HA/multi-region (single…
May 2026 · github.com · its alternatives →
- 24
AIProxy▲32Protect your OpenAI key in 5 min with a fully managed proxy
2024 · aiproxy.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →