20+ Best Alternatives to Chalk in 2026
AI data platform delivering real-time context for models and agents
Looking for an alternative to Chalk? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Tigris Data
$31.7MGlobally distributed, S3-compatible object storage built for AI
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Free
- 2View alternative →
Onehouse
$68MFully managed universal data lakehouse built on Apache Hudi, Iceberg and Delta Lake
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Enterprise · Contact sales
- 3View alternative →
Databricks
$5.6BThe data + AI company
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Enterprise · Contact sales
- 4View alternative →
VAST Data
$2.4BUnifying software layer for AI infrastructure
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Enterprise · Contact sales
- 5View alternative →
DualBird
$25MHardware-accelerated, cloud-native engine for faster, cheaper data and AI processing
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Enterprise · Contact sales
- 6View alternative →
Dash0
$155MAI-native observability platform built on OpenTelemetry
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Free
- 7View alternative →
definity
$16.5MAgentic data engineering platform for production data pipelines
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Pricing not listed
- 8View alternative →
Unstructured
UndisclosedTransform complex, unstructured data into clean, structured data for GenAI applications, securely and continuously.
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Enterprise · Contact sales
- 9View alternative →
Apify
UndisclosedFull-stack web scraping and data extraction platform for AI applications and agents.
Why it's similar: Shares categories with Chalk — AI Infrastructure, AI Data Engineering.
💵 Free · From $49/mo
- 10View alternative →
Nebius
$700MFull-stack AI cloud with large-scale GPU clusters for training and inference
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Free trial
- 11View alternative →
Celestial AI
$515MPhotonic Fabric optical interconnect for AI infrastructure
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Custom
- 12View alternative →
d-Matrix
$385MDigital in-memory compute (DIMC) chiplet-based hardware purpose-built for AI inference in the
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Free
- 13View alternative →
Mythic
$260MAnalog compute-in-memory chips for power-efficient edge AI
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Custom
- 14View alternative →
Chainguard
$256MSecure, minimal container images for software and AI supply chains
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Free
- 15View alternative →
Zilliz
$113MFully managed vector database for AI, built by the creators of Milvus
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Free
- 16View alternative →
Alcatraz AI
$100MAI facial authentication that replaces the access badge with your face
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Hardware + subscription (contact sales)
- 17View alternative →
Ricursive Intelligence
$300MFrontier research lab building a full-stack AI platform for semiconductor design, founded by
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Free
- 18View alternative →
Ayar Labs
$155MOptical I/O chiplets that replace electrical interfaces with light to move data in and out of
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Free
- 19View alternative →
Fractile
$235MUK-based semiconductor startup building in-memory compute chips that radically accelerate
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Free
- 20View alternative →
Nota AI
$70MAutomatic AI model optimization for any device
Why it's similar: Shares categories with Chalk — AI Infrastructure.
💵 Custom
Frequently asked questions
What are the best alternatives to Chalk?
The top-ranked alternatives to Chalk on NeuronFeed are Tigris Data, Onehouse, Databricks, VAST Data, DualBird. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Chalk?
Yes — Tigris Data, Onehouse, Dash0 offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Chalk, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Chalk vs Tigris Data — which is better?
It depends on use case. Tigris Data (Globally distributed, S3-compatible object storage built for AI) is the #1-ranked alternative. See the full side-by-side at /compare/chalk-vs-tigris-data.
Explore more around Chalk
Contextual paths to related AI startups, deals and rankings.