Reka Flash 3
rekaai/reka-flash-3 · RekaaiNot yet established- Declared family
- Unknown
- Evidence confidence
- Unknown
- Declared tokenizer tag
- Other
- Entered catalogue
- 12 March 2025
- Last tested
- 21 August 2026
- Measurement
- Measured
Identity statement
Reka Flash 3 has a clean measured fingerprint that currently sits alone: no other measured model shares its signature.
Evidence stack
Signals of different kinds, weighed together| Signal | Result | Reference |
|---|---|---|
| Tokenizer signature | Measured with 4 corrupt rows excluded | – |
| API surface | No other entry shares this exact contract | api_5756d447 |
| Context and output | 65,536 context · 65,536 max output | declared |
| Reasoning contract | Mandatory | declared |
| Serving providers observed | Reka | measured 21 August 2026 |
Closest measured models
Agreement across the mutually clean test stringsReka Edgerekaai/reka-edge32/46 · 70%IBM: Granite 4.0 Microibm-granite/granite-4.0-h-micro15/46 · 33%IBM: Granite 4.1 8Bibm-granite/granite-4.1-8b15/46 · 33%Microsoft: Phi 4microsoft/phi-415/46 · 33%Tencent: Hunyuan A13B Instructtencent/hunyuan-a13b-instruct13/46 · 28%Anthropic: Claude 3 Haikuanthropic/claude-3-haiku11/46 · 24%
Click a row to open the full comparison.
The measured fingerprint
Marginal prompt-token cost of each test string, grouped by scriptAll 50 rows, 4 excluded as corrupt
English and whitespace
en-prose14
en-long15
spaces-203
spaces-603
tabs-204
newlines-205
mixed-ws5
Digits
digits-94
digits-126
digits-3016
digits-sep8
float-long11
CJK
zh-common19
zh-long26
zh-rare24
ja-kana15
ja-kanji17
ko19
Other scripts
ru16
ar25
he24
hi35
th27
el28
Emoji
emoji-basic9
emoji-skin29
emoji-zwj-family17
emoji-zwj-x353
emoji-flags24
emoji-prof28
Rare Unicode
math31
boxdrawx
combining14
cjk-ext-bx
surrogates39
zalgox
rtl-mix11
Code
py-code28
py-indent18
json23
html17
regex47
camel5
snake11
Repetition and encodings
rare-word-x531
repeat-tok21
base6435
hexx
url21
uuid28
An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 12 prompt tokens.
Declared record
What the catalogue claims about this modelReka 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...
- Modalities
- text->text
- Declared tokenizer
- Other
- Prompt price
- $0.10 / M tokens
- Completion price
- $0.20 / M tokens
Supported parameters
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningseedstopstructured_outputstemperaturetop_ktop_logprobstop_p
defaults: {"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}
History
Every observation, kept as taken- 12 March 2025Enters the OpenRouter catalogue with no declared family.
- 21 August 2026Fingerprinted in the YFarmX catalogue sweep · 46 of 50 strings measured clean.
Cite this page as the evidence record for Reka Flash 3: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings. The raw data behind every figure is on the data page.