Kimi K3.1 Pro vs Reka Flash 3

Price, context window & benchmark comparison

Moonshot AI

Kimi K3.1 Pro

Moonshot AI
$2.00 / $10.00
Input / Output · per 1M tokens
VS
Rekaai

Reka Flash 3

Rekaai
$0.10 / $0.20
Input / Output · per 1M tokens
Compare different models
Moonshot AI
Rekaai
Verdict: Reka Flash 3 is 32.0× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix. Kimi K3.1 Pro has the larger context window (1M vs 66K).
Kimi K3.1 ProReka Flash 3
Input price / 1M$2.00$0.10
Output price / 1M$10.00$0.20
Blended price (3:1)$4.00$0.13
Cached input / 1M$0.20—
Context window1M66K
Max output944K59K
Intelligence index46.5—
Coding index——
Providers23—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesNo
Released2026-10-232025-03-12
Retirement——

Cost calculator

FAQ

Which is cheaper, Kimi K3.1 Pro or Reka Flash 3?

Reka Flash 3 is 32.0× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Kimi K3.1 Pro vs Reka Flash 3: which has a bigger context window?

Kimi K3.1 Pro: 1,048,576 tokens. Reka Flash 3: 65,536 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Kimi K3.1 Pro ≈ $9,000, Reka Flash 3 ≈ $300.00.

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