GLM 4.7 Flash vs GPT-6.1 Terra Pro

Price, context window & benchmark comparison

Z.ai (Zhipu)

GLM 4.7 Flash

Z.ai (Zhipu)
$0.0605 / $0.40
Input / Output · per 1M tokens
VS
OpenAI

GPT-6.1 Terra Pro

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
Compare different models
Z.ai (Zhipu)
OpenAI
Verdict: GLM 4.7 Flash is 13.8× 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 200K).
GLM 4.7 FlashGPT-6.1 Terra Pro
Input price / 1M$0.0605$1.00
Output price / 1M$0.40$5.00
Blended price (3:1)$0.15$2.00
Cached input / 1M—$0.05
Context window200K1.1M
Max output118K128K
Intelligence index——
Coding index——
Providers—6
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-01-192026-10-26
Retirement——

Cost calculator

FAQ

Which is cheaper, GLM 4.7 Flash or GPT-6.1 Terra Pro?

GLM 4.7 Flash is 13.8× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

GLM 4.7 Flash vs GPT-6.1 Terra Pro: which has a bigger context window?

GLM 4.7 Flash: 200,000 tokens. GPT-6.1 Terra Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 4.7 Flash ≈ $321.00, GPT-6.1 Terra Pro ≈ $4,500.

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