GLM 5.3 Flash vs Space Bunny Alpha

Price, context window & benchmark comparison

Z.ai (Zhipu)

GLM 5.3 Flash

Z.ai (Zhipu)
$0.0399 / $0.0784
Input / Output · per 1M tokens
VS
S

Space Bunny Alpha

Stealth
Free / Free
Input / Output · per 1M tokens
Compare different models
Z.ai (Zhipu)
S
Verdict: Space Bunny Alpha is 49525000.0× cheaper than GLM 5.3 Flash on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 1M).
GLM 5.3 FlashSpace Bunny Alpha
Input price / 1M$0.0399Free
Output price / 1M$0.0784Free
Blended price (3:1)$0.0495Free
Cached input / 1M$0.03—
Context window1M1M
Max output131K524K
Intelligence index27.8—
Coding index71.5—
Providers42—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-08-262026-09-23
Retirement—2026-10-05

Cost calculator

FAQ

Which is cheaper, GLM 5.3 Flash or Space Bunny Alpha?

Space Bunny Alpha is 49525000.0× cheaper than GLM 5.3 Flash on a typical 3:1 input/output mix.

GLM 5.3 Flash vs Space Bunny Alpha: which has a bigger context window?

GLM 5.3 Flash: 1,048,576 tokens. Space Bunny Alpha: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $119.00, Space Bunny Alpha ≈ $0.

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