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R1 1776


R1 1776 is Perplexity's language model. A Perplexity fine-tune of DeepSeek R1 with post-training adjustments (named after 1776) to reduce censorship and improve open reasoning.
Specifications
Canonical IDperplexity-r1-1776
TypeLanguage
StatusActive
CreatorPerplexityPerplexity
Input ModalitiesText
Output ModalitiesText
Benchmarks
Intelligence Index
12.0
#357
Time to First Token
0.00s
#172
MATH-500
1.0
#33
Output TPS
0.0
#443

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
Skywork R1 4 Lite262K$0.200$0.600Available
DeepSeek R1T2 Chimera164KAvailable
DeepSeek R1 528 Turbo33K$1.00$3.00Available
DeepSeek R1 528B131K$0.550$2.19Available
DeepSeek R1 671B131K$0.800$0.800Available
DeepSeek R1 8B66K$0.100$0.200Available
DeepSeek R1 Turbo64K$0.700$2.50Available
R1 1776Current

Model IDs