Model comparison

Reka Flash 3 vs o3

Capability radar, value bars, and side-by-side posture.

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Reka Flash 3
Not scored
value score
o3
93
value score
Reka Flash 3 ctx
o3 ctx
200K

Capability radar

Value · context · multimodal · openness · speed posture

Value head-to-head

  • o393

Attribute tape

FieldReka Flash 3o3
DeveloperReka AIOpenAI
Context200K
ModalitiesText, Code
OpennessProprietary Model
Speed
Price$10/1M in · $40/1M out
Value score93
SummaryReka Flash 3 is a 21B-parameter open-weight reasoning LLM from Reka AI, designed for chat, coding, instruction following, and function calling with explicit reasoning tags and a focus on efficiency and low-latency deployment.OpenAI reasoning model focused on hard problems.
Open Reka Flash 3Open o3