GPT Audio Mini vs Kimi K3.1 Pro

Price, context window & benchmark comparison

OpenAI

GPT Audio Mini

OpenAI
$0.60 / $2.40
Input / Output · per 1M tokens
VS
Moonshot AI

Kimi K3.1 Pro

Moonshot AI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
OpenAI
Moonshot AI
Verdict: GPT Audio Mini is 3.8× 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 128K).
GPT Audio MiniKimi K3.1 Pro
Input price / 1M$0.60$2.00
Output price / 1M$2.40$10.00
Blended price (3:1)$1.05$4.00
Cached input / 1M—$0.20
Context window128K1M
Max output16K944K
Intelligence index—46.5
Coding index——
Providers—23
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningNoYes
Tool callingYesYes
Released2026-01-192026-10-23
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT Audio Mini or Kimi K3.1 Pro?

GPT Audio Mini is 3.8× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

GPT Audio Mini vs Kimi K3.1 Pro: which has a bigger context window?

GPT Audio Mini: 128,000 tokens. Kimi K3.1 Pro: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT Audio Mini ≈ $2,400, Kimi K3.1 Pro ≈ $9,000.

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