Reka Flash 3 API

rekaai/reka-flash-3
Reka Flash 3 on AIMLAPI.
Context
66K tokens
Input
$0.13754 / 1M tokens
Output
$0.27508 / 1M tokens

How to use Reka Flash 3 API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to rekaai/reka-flash-3.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "rekaai/reka-flash-3",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "rekaai/reka-flash-3",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"rekaai/reka-flash-3","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Reka Flash 3 API Pricing

TypePrice
Input
$0.13754 / 1M tokens
Output
$0.27508 / 1M tokens

Reka Flash 3 Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
LiveCodeBench
43.5%
Contamination-free competitive programming problemsSourceJuly 12, 2026
MMLU-Pro
65%
Multi-discipline knowledge + reasoning (harder MMLU)SourceJuly 12, 2026
GPQA Diamond
53.5%
Google-proof graduate science questions (hardest subset)SourceJuly 12, 2026
Intelligence
5.6
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026
Math
33.7
Composite score across standardised mathematics evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026

Reka Flash 3 vs other models

ModelInputOutputContextBest for
Reka Flash 3
This page
$0.13754 / 1M tokens
$0.27508 / 1M tokens
66K tokens
Reasoning + agents
$6.5 / 1M tokens
$39 / 1M tokens
1.05M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$0.65 / 1M tokens
$3.9 / 1M tokens
1.05M tokens
Reasoning + agents

Frequently asked questions

Reka Flash 3 has a 65,536 tokens context window and can return up to 65,536 tokens.

Reka Flash 3 takes image, text as input and returns text.

Use rekaai/reka-flash-3 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Reka Flash 3 is priced at input $0.13754 / 1M tokens, output $0.27508 / 1M tokens.

Yes, Reka Flash 3 can stream responses as they are generated.

Yes, Reka Flash 3 accepts image input alongside text.

Yes, Reka Flash 3 supports function calling as one of its capabilities.

Yes, it supports parallel tool calls along with general tool use.

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