| What it does | Agent memory that learns from experience
| Enterprise Voice AI platform for Speech-to-Text, Text-to-Speech, and Voice Agents
|
|---|
| Stage | Startup
| Established
|
|---|
| Founded | 2024
| 2015
|
|---|
| Based in | US
| US
|
|---|
| Pricing model | Freemium
| Freemium
|
|---|
| Pricing | Self-hosted: Free, MIT licensed. Hindsight Cloud: Pay-as-you-go with free credits to start. Retain (store memories) $10.00 per million tokens, Recall (retrieve memories) $0.75 per million tokens, Reflect (synthesize patterns) $0.05 per call, Iris Extract (structured extraction) $7.50 per million tok
| Flux STT Streaming: $0.0065/min (Pay As You Go), $0.0057/min (Growth); Flux Multilingual Streaming: $0.0078/min (Pay As You Go), $0.0068/min (Growth); Nova-3 Monolingual Streaming: $0.0048/min (Pay As You Go), $0.0042/min (Growth); Nova-3 Multilingual Streaming: $0.0058/min (Pay As You Go), $0.0050/
|
|---|
| Key features | - Per-user persistent memory with preferences, history and decisions kept separate
- Cross-session persistence allows context to survive weeks between interactions
- Fast parallel retrieval in under 100ms through four strategies running simultaneously
- Works with any LLM without losing learned context when swapping models
- Learns from mistakes and corrects behavior on repeated problems
- Automatic pattern detection synthesizes individual facts into consolidated knowledge
- Conflict detection preserves both old and new states with timestamps when facts change
- Integrates with 20+ coding agents including Claude Code, Cursor, and Copilot
| - Flux STT with turn detection and interruption handling
- Nova-3 multilingual speech recognition in 50+ languages
- Ultra-low latency under 300 milliseconds
- Keyterm prompting with up to 90% higher keyword recall
- Flux TTS with latency as low as 80ms
- Speaker diarization and multi-speaker audio detection
- Smart formatting with automatic punctuation and capitalization
- Automatic redaction of sensitive information
- Custom models for edge-case scenarios
- Flexible deployment options: cloud, in-VPC, or self-hosted
|
|---|
| What makes it different | - 94.6% retrieval accuracy on LongMemEval-S, beating next-best system at 74.0%
- MIT licensed open source with no usage limits, telemetry or restrictions
- Reflection layer automatically builds judgment and mental models over time without manual tagging
- Entity resolution handles hundreds of entities with 99.5% query reduction
| - Conversation-aware speech platform with native turn-taking detection and interruption handling
- Unified single API combining STT, TTS, and LLM orchestration to reduce complexity and latency
- Flux TTS that thinks before speaking to maintain tone and expression across conversations
- Enterprise-grade accuracy with custom vocabulary injection and industry-tuned models
- Foundational AI company with research-driven innovation and continuous model improvements
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 68 ▲ +1 (up) since last check | 81 ● no change since last check |
|---|
| Trust Flow (Majestic) | 18 | 23 |
|---|
| Citation Flow (Majestic) | 47 | 51 |
|---|
| Referring domains (Majestic) | 1378 | 7761 |
|---|
Vectorize
Deepgram