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GPT-5.5 vs Kimi K2.6

Kimi K2.6 is cheaper on output tokens, while GPT-5.5 offers a larger context window. Choose GPT-5.5 or Kimi K2.6 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-5.5Kimi K2.6
ProviderOpenCode ZenOpenCode Zen
Input / 1M tokens$5.00$0.95
Output / 1M tokens$30.00$4.00
Context window1.1M262K
Parameters1T
Open weightsNoYes
ReleasedApr 2026Apr 2026

FAQ

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