Claude Opus 5.5 vs GLM 4.7 Flash

Price, context window & benchmark comparison

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Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
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GLM 4.7 Flash

Z.ai (Zhipu)
$0.0605 / $0.40
Input / Output · per 1M tokens
Compare different models
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Verdict: GLM 4.7 Flash is 55.0× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 has the larger context window (1M vs 200K).
Claude Opus 5.5GLM 4.7 Flash
Input price / 1M$4.00$0.0605
Output price / 1M$20.00$0.40
Blended price (3:1)$8.00$0.15
Cached input / 1M$0.20
Context window1M200K
Max output128K118K
Intelligence index57.6
Coding index
Providers11
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-01-19
Retirement

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FAQ

Which is cheaper, Claude Opus 5.5 or GLM 4.7 Flash?

GLM 4.7 Flash is 55.0× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs GLM 4.7 Flash: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. GLM 4.7 Flash: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, GLM 4.7 Flash ≈ $321.00.

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