Reka Flash 3 is Reka AI's language model with a 66K context window, starting at $0.1 / 1M input and $0.2 / 1M output. A 21-billion-parameter general-purpose instruction-tuned LLM from Reka excelling at chat, coding, instruction-following, and function calling.
Specifications
Canonical IDreka-flash-3
TypeLanguage
StatusActive
CreatorReka AIReka AI
Providers
Context Window66K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 1 year ago
Knowledge Cutoff · 1 year ago
Benchmarks
Intelligence Index
9.5
#412
Coding Index
8.9
#320
Math Index
33.7
#171
MMLU-Pro
0.7
#226
GPQA
0.5
#304
HLE
0.1
#284
LiveCodeBench
0.4
#156
AIME
0.5
#49
IFBench
0.3
#335
Time to First Token
12.58s
#454
SciCode
0.3
#281
MATH-500
0.9
#67
AIME 2025
0.3
#171
LCR
0.0
#392
TerminalBench Hard
0.0
#387
TAU2
0.0
#391
Output TPS
91.1
#146

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities1/13
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·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
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OpenRouter
rekaai/reka-flash-3
$0.1$0.2

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Reka Flash 366K$0.100$0.200Current
Reka Edge16K$0.100$0.100Available
Reka Flash100KAvailable
Reka Core32KAvailable

Model IDs

reka-flash-3
rekaai/reka-flash-3