Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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Reka AI
Reka AIFrontier

Reka Core

Frontier

Reka's flagship multimodal-native model. Built ground-up for vision, audio and video understanding rather than text-then-vision retrofit.

Reka Core is a frontier AI model from Reka AI. It costs $3.000 per million input tokens and $15.000 per million output tokens (blended $6.600/M), with a 128K-token context window.

Modalities text, vision, audio, videoOfficial model page ↗Compare with another model →Estimate monthly cost →
INPUT
$3.000/M
per million input tokens
OUTPUT
$15.000/M
per million output tokens
BLENDED 70/30
$6.600/M
default reference rate · how it's calculated →
CONTEXT
128K
128,000 tokens
What it's good at
  • Multimodal-native architecture
  • Video understanding
  • Audio inputs
Typical use cases
  • Video QA
  • Multimodal research assistants
  • Audio transcription + understanding
Benchmarks
vs. best public score
MMLU83%
Multitask academic knowledge across 57 subjects.
MATH70%
High-school competition math problems.
HumanEval76%
Python function synthesis from docstrings.
LMArena Elo1235 Elo
Crowd-sourced head-to-head preference Elo rating.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
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Reka Flash 21B
Efficient · 128K ctx
in $0.800/Mout $4.000/M
Reka Edge
Micro · 128K ctx
in $0.400/Mout $2.000/M
Frequently asked questions

How much does Reka Core cost?

Reka Core costs $3.000 per million input tokens and $15.000 per million output tokens, for a blended reference rate of $6.600 per million tokens.

What is Reka Core's context window?

Reka Core supports up to 128K tokens of context (128,000 tokens).

What is Reka Core best for?

Reka Core is well suited to Multimodal-native architecture, Video understanding and Audio inputs.

Who makes Reka Core?

Reka Core is developed and served by Reka AI.