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In Evaluation

MANTLE

Model M1 — Deep Intelligence

A general reasoning engine built to operate reliably under uncertainty, stress, and distribution shift. Optimized for causal inference, multi-step planning, and OOD generalization.

Robustness Certification
R-1
◎ ROBUSTNESS CERTIFIED
Evaluation PhaseQ1 2026
ArchitectureMoE (~40B active)
Context256K tokens
AvailabilityLimited Research Access
Specifications
Parameters~120B (MoE active: ~40B)
Context Window256K tokens
ArchitectureMixture-of-Experts
Training MethodHybrid Reasoning + MoE
Safety CertR-1 Robustness Certified
StatusIn Evaluation (Q1 2026)
Benchmark Results
ARC-AGI91.3%
GPQA (Graduate-Level)88.7%
MATH (Competition)86.4%
OOD Generalization93.1%
Causal Reasoning Suite89.2%
Multi-Step Planning87.8%
Robustness Under Stress94.5%
Distribution Shift Resistance91.7%

Preliminary internal results. Final benchmarks pending external review.

Core Capabilities

Built to Reason
Under Pressure.

Causal Reasoning

MANTLE builds explicit causal models, enabling robust counterfactual reasoning and planning under uncertainty.

Multi-Step Planning

Designed for long-horizon task decomposition. Maintains coherent goal structures across hundreds of reasoning steps.

Distribution Shift Resistance

Maintains performance when inputs differ significantly from training distribution — critical for real-world deployment.

Mixture-of-Experts

Dynamically routes computation to specialized expert sub-networks, achieving ~120B param capacity at ~40B inference cost.

Uncertainty Quantification

Produces calibrated confidence estimates, enabling downstream systems to route low-confidence outputs for human review.

Long Context Mastery

256K token context with maintained coherence — critical for long-document reasoning and multi-session planning.

Pricing

Pricing
Announced at Launch.

Input Tokens
TBA
pricing announced at launch
Output Tokens
TBA
pricing announced at launch
Early Access
Free
for current Terra-1 users — apply now

Terra-1 users automatically qualify for Mantle-1 early access at no extra cost. models@texasagilabs.com