rekaai

Reka Flash 3

rekaai/reka-flash-3
Model weightsReleased Mar 12, 2025Open Weights
Thinkingopen weights

Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-following, and function calling. Featuring a...

Cost / 1M tokens

Very low usage

$0.10

input

—

cached input

$0.20

output

Context Window

66K

Up to 59K max output

Modalities

text → text

Other tokenizer

Quickstart & API

rekaai/reka-flash-3
Open the model picker in ChatOSS Desktop (Code, Kanban, or Chat) and select or paste this model ID.

Best for & Strengths

Key Strengths

Open weightsExtended reasoning

Recommended Workloads in ChatOSS

  • Complex reasoning & debugging
  • Open-source AI workflows
Available in ChatOSS Code, Kanban Orchestrate, and Chat modes via Plus, Max, or BYOK.

Verified Evaluations

Benchmarks & Frontier Comparison

How Reka Flash 3 compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.

View full Top 40 Leaderboard →
Benchmark (Metric)Reka Flash 3DeepSeek V4.1 FlashGLM 5.3Kimi K3.1 ProClaude Opus 5.5
Agentic & Software Engineering
ChatOSS Agentic Coding Index (%)—63.2%58.3%65%74.1%
SWE-Bench Verified (%)—91.5%95.4%94.8%97%
DeepSWE v1.1 (Pass@1 %)—77%69%73.5%74.2%
Vibe Code Bench v1.1 (%)—87.7%78.1%88.4%90.3%
Terminal-Bench 4.0 (%)—42.3%42%46.2%65.2%
Code Migration (%)—45.6%44.2%52%66.7%
Intelligence & Token Economics
Artificial Analysis Intelligence Index (0–100)6.439.544.855.157.6
Input Price (/ 1M tokens)$0.10$0.15$1.40$2.00$4.00
Output Price (/ 1M tokens)$0.20$0.60$4.40$10.00$20.00

Artificial Analysis Intelligence Index

Artificial Analysis

6.4

Active Provider Endpoints (1)

Upstream inference providers serving Reka Flash 3, with per-provider pricing, context limits, quantization, and 24-hour uptime.

ProviderInput / 1MOutput / 1MCache Read / 1MContextMax OutputQuantizationUptime (24h)
Reka
reka
$0.10$0.20—66K59K—100.0%

Supported API Parameters

Parameters accepted by this model when called through ChatOSS or OpenRouter.

frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningseedstopstructured_outputstemperaturetop_ktop_logprobstop_p

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