Is Claude Opus 5.5 (AWS Bedrock) or GLM-5.3 Flash (reka-ai) cheaper?

GLM-5.3 Flash (reka-ai) is cheaper on output tokens ($0.50 vs $20.00 per 1M).

Which has the larger context window, Claude Opus 5.5 (AWS Bedrock) or GLM-5.3 Flash (reka-ai)?

Claude Opus 5.5 (AWS Bedrock) has the larger context window (1M tokens).

Claude Opus 5.5 (AWS Bedrock) vs GLM-5.3 Flash (reka-ai)

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

Spec	Claude Opus 5.5 (AWS Bedrock)	GLM-5.3 Flash (reka-ai)
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$4.00	$0.15
Output / 1M tokens	$20.00	$0.50
Context window	1M	262K
Parameters	—	—
Open weights	No	Yes
Released	Sep 2026	Aug 2026

Claude Opus 5.5 (AWS Bedrock) details →GLM-5.3 Flash (reka-ai) details →

FAQ

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