Span-01

Span-01

Respan
SubQ Snap 1.1

SubQ Snap 1.1

Subquadratic
+
+

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About

Span-01 is a hyper-parallel reasoning classifier built to detect complex behaviors across long production traces in a single forward pass. Rather than generating tokens sequentially, it reasons over natural-language behavior definitions and returns direct probabilities for present, absent, and not_observable. The model is trained for general classification reasoning with RLAIF before being specialized for behavior detection, allowing it to apply previously unseen definitions to new behaviors and domains instead of relying on a fixed taxonomy. At inference time, hyper-parallel definition branches evaluate multiple behaviors against the same trace context simultaneously, while hybrid attention helps preserve reasoning over long, complex inputs. Span-01 is designed for production monitoring across safety, reliability, grounding, agent behavior, and response quality, including jailbreak and prompt injection detection, privacy, and secrets.

About

SubQ Snap is a hosted multimodal decision model for developers building AI agents and enterprise workflows. Through Subquadratic’s API, applications send text or image context with defined questions and receive structured answers such as labels, choices, scores, and probabilities. This supports tasks including tool and file selection, routing, triage, guardrails, ranking, classification, and checking whether a test or result meets specified criteria. The model accepts up to 384K tokens of context and supports image input. It is designed for bounded decisions rather than open-ended text generation, so it can be used alongside a language model that handles planning or writing. Public-preview API documentation includes request examples, model access details, and decision formats.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI, safety, evaluation, and observability teams seeking to detect and score complex behaviors across long production traces with fast, probability-based classification

Audience

Developers and enterprise teams building AI agents and workflows that need structured decisions from text or image context.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$199 per month
Free Version Supported
Free Trial Supported

Pricing

$0.05/1M input tokens
$0.05 per 1 million input tokens; output tokens are free. SubQ Snap is in public preview, with access subject to capacity limits.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Respan
Founded: 2023
United States
www.respan.ai/blog/introducing-span-1

Company Information

Subquadratic
Founded: 2025
United States
subq.ai/

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Categories

AI Decision Models Supported

Categories

AI Decision Models Supported

Integrations

OpenAI Supported
AssemblyAI Supported
Cognee Supported
Google GenAI SDK Supported
JavaScript Supported
LangChain Supported
LinkUp Supported
LlamaIndex Supported
Mastra AI Supported
Mem0 Supported
OpenAI Agents API Supported
PostHog Supported
Python Supported
TypeScript Supported
Vercel Supported

Integrations

OpenAI Supported
AssemblyAI Not Supported
Cognee Not Supported
Google GenAI SDK Not Supported
JavaScript Not Supported
LangChain Not Supported
LinkUp Not Supported
LlamaIndex Not Supported
Mastra AI Not Supported
Mem0 Not Supported
OpenAI Agents API Not Supported
PostHog Not Supported
Python Not Supported
TypeScript Not Supported
Vercel Not Supported
Claim Span-01 and update features and information
Claim Span-01 and update features and information
Claim SubQ Snap 1.1 and update features and information
Claim SubQ Snap 1.1 and update features and information