Bland AI

https://www.bland.ai/

Voice-AI platform with custom STT + LLM + TTS stack ('the whole pipeline'). Raised $40M Series A Apr-2024 (Lightspeed + Anthology). Distinguished by 'pathway' graphs (deterministic call flows) and aggressive outbound-calling positioning.

Active · Verified 2026-10-26 · fresh as of 2026-10-26 · 47 cited facts, 1 with a third-party source · 1 recorded change · Suggest a correction

At a glance

Tier
T1
Created
2023 (founded) vendor fix
Latest release
not applicable — not OSS fix
License
not applicable — not OSS fix
GitHub
not applicable — no GitHub repo fix
Freshness
2026-10-26 fix
Layer
agent-infra repo fix
Licensing
commercial vendor fix
Deployment locus
cloud vendor fix
Platform vs product
platform vendor fix
SDK languages
rest vendor fix
Protocols
mcp-server vendor fix

When to use

Optimised for: Outbound phone agents with deterministic pathways

Anti-fit: Outbound-sales reputation polarising; closed proprietary stack reduces flexibility

Pros & cons

Pros

Best-funded voice-AI startup; vertical stack reduces vendor exposure; Pathway graphs are clean abstraction.

Cons

Brand reputation issues from cold-call use cases; opaque proprietary stack; per-minute economics.

Claims & capabilities

$40M Series A Apr-2024 (Lightspeed lead); end-to-end proprietary voice stack

Technical surface

API surface
REST API + SDKs + dashboard
Backend storage
Call + pathway state in Bland-managed DB
Deployment
Both (self-hosted + managed cloud) — managed cloud by default; on-prem/VPC deployment on Enterprise only
Embedding model
not applicable — not a memory product
Multi-tenancy
Multi-tenant cloud; Enterprise dedicated
MCP
yes — remote MCP server at api.bland.ai/v1/mcp for MCP clients (Claude, Claude Code, ChatGPT, VS Code, Windsurf, Gemini CLI)
A2A
searched not found
OpenTelemetry
searched not found

Similar systems

Other voice agent platforms in the catalog, ranked by inbound references.

  • Cartesia Sonic T1

    Cartesia's Sonic TTS — state-space-model-based voice generation, lowest published TTS latency (~40ms). Cartesia raised $64M Series A Q1 2025 (Index + Lightspeed); founded by Mamba authors. Agent platform layer ('Cartesia Line') wraps Sonic with telephony + LLM.

  • LiveKit Agents T1

    LiveKit Agents — agent framework built on LiveKit's open-source WebRTC media server. LiveKit raised $45M Series B Sep-2024 ($300M val). Powers OpenAI Realtime API's WebRTC transport (LiveKit is the substrate OpenAI chose). Agents framework formally launched 2024.

  • ElevenLabs Conversational AI (now ElevenAgents) T1

    ElevenLabs launched Conversational AI Nov-2024 — STT + LLM + their own market-leading TTS in one pipeline. Combines vendor's voice cloning + multilingual TTS strengths with hosted call orchestration. ElevenLabs raised $180M Series C Jan-2025 at $3.3B val. As of 2026-10 ElevenLabs markets the platform as ElevenAgents.

  • OpenAI Realtime API T1

    OpenAI's Realtime API for native speech-to-speech multimodal interaction with GPT-4o — launched Oct 2024 (DevDay). Skips the STT → LLM → TTS pipeline by passing speech directly to GPT-4o. The platform substrate that Vapi/Retell/Bland integrate as one of their LLM choices.

  • Pipecat (Daily) T1

    Open-source Python framework for real-time voice + multimodal AI agents, maintained by Daily.co. Pipeline-style architecture (STT → context → LLM → TTS) wired over WebRTC. The OSS substrate that many of the voice platforms build on or compose with.

  • Hume EVI T1

    Hume's Empathic Voice Interface (EVI) — voice agent platform with vocal-affect understanding, using Hume's proprietary speech-prosody models. Hume will shut down the EVI and TTS APIs on 2026-11-13 (announced in its docs). Hume raised $50M Series B Mar-2024 (EQT).

Sources (46 cited facts, 1 third-party)

Each fact links to the page it came from; the badge says who published it (how to read sources).

What changed

Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)

  1. 2026-10-26
    • Pricing “Per-minute usage; Enterprise volume tiers” → “Start: $0 platform fee + $0.14/connected min; Build: $299/mo + $0.12/min; Enterprise custom” source
    • Deployment “Cloud-managed; Enterprise private deployments” → “Both (self-hosted + managed cloud) — managed cloud by default; on-prem/VPC deployment on Enterprise only” source
    • MCP support first recorded as “yes — remote MCP server at api.bland.ai/v1/mcp for MCP clients (Claude, Claude Code, ChatGPT, VS Code, Windsurf, Gemini CLI)” source
    #258

Related systems

Referenced by (2)

  • LiveKit Agents integrates with — LiveKit Agents docs have a Bland AI model plugin page. (verified 2026-10-29)
  • Pipecat (Daily) integrates with — Pipecat docs have a Bland AI service page. (verified 2026-10-29)