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Microsoft: Phi 4 vs Claude Opus 5

Microsoft: Phi 4 is cheaper on output tokens, while Claude Opus 5 offers a larger context window. Choose Microsoft: Phi 4 or Claude Opus 5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecMicrosoft: Phi 4Claude Opus 5
ProviderMicrosoftAbacus
Input / 1M tokens$0.07$5.00
Output / 1M tokens$0.14$25.00
Context window16K1M
Parameters——
Open weights—No
Released—Jul 2026

FAQ

Is Microsoft: Phi 4 or Claude Opus 5 cheaper?

Microsoft: Phi 4 is cheaper on output tokens ($0.14 vs $25.00 per 1M).

Which has the larger context window, Microsoft: Phi 4 or Claude Opus 5?

Claude Opus 5 has the larger context window (1M tokens).

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