Kimi K3.1 Pro vs Llama 3.1 8B Instruct

Price, context window & benchmark comparison

Kimi K3.1 Pro

Moonshot AI

$2.00 / $10.00

Input / Output · per 1M tokens

Llama 3.1 8B Instruct

Meta Llama

$0.02 / $0.04

Input / Output · per 1M tokens

Compare different models

Verdict: Llama 3.1 8B Instruct is 160.0× 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 131K).

	Kimi K3.1 Pro	Llama 3.1 8B Instruct
Input price / 1M	$2.00	$0.02
Output price / 1M	$10.00	$0.04
Blended price (3:1)	$4.00	$0.025
Cached input / 1M	$0.20	—
Context window	1M	131K
Max output	944K	16K
Intelligence index	46.5	—
Coding index	—	5.4
Providers	23	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	No
Reasoning	Yes	No
Tool calling	Yes	Yes
Released	2026-10-23	2024-07-23
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Kimi K3.1 Pro or Llama 3.1 8B Instruct?

Llama 3.1 8B Instruct is 160.0× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Kimi K3.1 Pro vs Llama 3.1 8B Instruct: which has a bigger context window?

Kimi K3.1 Pro: 1,048,576 tokens. Llama 3.1 8B Instruct: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Kimi K3.1 Pro ≈ $9,000, Llama 3.1 8B Instruct ≈ $60.00.

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