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Anthropic: Claude Opus Latest vs Anthropic: Claude Opus 4.5

Both have similar output pricing, while Anthropic: Claude Opus Latest offers a larger context window. Choose Anthropic: Claude Opus Latest or Anthropic: Claude Opus 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecAnthropic: Claude Opus LatestAnthropic: Claude Opus 4.5
ProviderKilo GatewayKilo Gateway
Input / 1M tokens$5.00$5.00
Output / 1M tokens$25.00$25.00
Context window1M200K
Parameters——
Open weightsNoNo
ReleasedApr 2026Nov 2025
Anthropic: Claude Opus Latest details →Anthropic: Claude Opus 4.5 details →

FAQ

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