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Claude Opus Latest (Claude Opus 5.5) vs GLM-5.3

GLM-5.3 is cheaper on output tokens, while GLM-5.3 offers a larger context window. Choose Claude Opus Latest (Claude Opus 5.5) or GLM-5.3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecClaude Opus Latest (Claude Opus 5.5)GLM-5.3
ProviderEden AIEden AI
Input / 1M tokens$4.00$1.40
Output / 1M tokens$20.00$4.40
Context window1M1M
Parameters——
Open weightsNoYes
ReleasedSep 2026Aug 2026

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.