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GPT-5.1 Codex mini (Azure) vs GLM-5.3 Flash (reka-ai)

GLM-5.3 Flash (reka-ai) is cheaper on output tokens, while GPT-5.1 Codex mini (Azure) offers a larger context window. Choose GPT-5.1 Codex mini (Azure) or GLM-5.3 Flash (reka-ai) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-5.1 Codex mini (Azure)GLM-5.3 Flash (reka-ai)
ProviderLLM GatewayLLM Gateway
Input / 1M tokens$0.25$0.15
Output / 1M tokens$2.00$0.50
Context window400K262K
Parameters——
Open weightsNoYes
ReleasedNov 2025Aug 2026

FAQ

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