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OpenKey

Reka Flash 3

RekaReleased Mar 12, 2025

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...

Try in playground
Context window
66K tokens
Max output
66K tokens
Input
text
Output
text
Tokenizer
Other
Knowledge cutoff
Jan 31, 2025
Released
Mar 12, 2025
Reasoning
always on

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$0.100$0.0030$0.103
Output$0.200$0.0060$0.206

Supported parameters

  • frequency_penalty
  • include_reasoning
  • logprobs
  • max_tokens
  • presence_penalty
  • reasoning
  • seed
  • stop
  • structured_outputs
  • temperature
  • top_k
  • top_logprobs
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model rekaai/reka-flash-3.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "rekaai/reka-flash-3",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="rekaai/reka-flash-3",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "rekaai/reka-flash-3",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Reka Flash 3 cost via API?
Through OpenKey, Reka Flash 3 costs $0.103 per 1M input tokens and $0.206 per 1M output tokens. That is the provider price ($0.100 / $0.200) plus a flat 3% fee — nothing else.
What is Reka Flash 3's context window?
Reka Flash 3 accepts up to 66K tokens of context and returns up to 66K tokens per request.
Is Reka Flash 3 OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "rekaai/reka-flash-3" using any OpenAI SDK — only the base URL and API key change.
What inputs does Reka Flash 3 support?
Reka Flash 3 accepts text input and produces text output. Its knowledge cutoff is Jan 31, 2025.

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