TrillionLabs 21B Think is Trillionlabs's language model. A 21B reasoning-focused LLM from Trillion Labs, designed for deep thinking and complex multi-step problem solving.
Specifications
Canonical IDtrillionlabs-tri-21b-think
TypeLanguage
StatusActive
CreatorTrillionlabs
Input ModalitiesText
Output ModalitiesText
Parameters21B
Benchmarks
Intelligence Index
18.6
#237
Coding Index
6.3
#333
GPQA
0.6
#250
HLE
0.1
#215
IFBench
0.5
#116
Time to First Token
0.00s
#185
SciCode
0.2
#353
LCR
0.1
#286
TerminalBench Hard
0.0
#327
TAU2
0.8
#94
Output TPS
0.0
#454

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
TrillionLabs 21B ThinkCurrent
TrillionLabs 21B Think PreviewAvailable

Model IDs