GPT-6.1 Terra Pro vs Kimi K2 0905

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra Pro

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
VS
Moonshot AI

Kimi K2 0905

Moonshot AI
$0.60 / $2.50
Input / Output · per 1M tokens
Compare different models
OpenAI
Moonshot AI
Verdict: Kimi K2 0905 is 46% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 262K).
GPT-6.1 Terra ProKimi K2 0905
Input price / 1M$1.00$0.60
Output price / 1M$5.00$2.50
Blended price (3:1)$2.00$1.07
Cached input / 1M$0.05—
Context window1.1M262K
Max output128K98K
Intelligence index——
Coding index——
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesNo
Tool callingYesYes
Released2026-10-262025-09-04
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra Pro or Kimi K2 0905?

Kimi K2 0905 is 46% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

GPT-6.1 Terra Pro vs Kimi K2 0905: which has a bigger context window?

GPT-6.1 Terra Pro: 1,050,000 tokens. Kimi K2 0905: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Kimi K2 0905 ≈ $2,450.

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