Phi-4-reasoning-plus vs Claude Sonnet 5
2026 Stored listed rates & illustrative token-cost comparison
Claude Sonnet 5
Legacy / Superseded
Legacy / superseded version. Newer models are available; official or partner channels may still serve this version.
Illustrative Listed-Rate Difference
Phi-4-reasoning-plus about 94% lower
1M input + 200K output tokens; not a monthly bill
📌 Executive Summary (TL;DR):Under a standard baseline of 1M input + 200K output tokens, Phi-4-reasoning-plus lists approximately 94% lower than Claude Sonnet 5. For high-throughput production workloads, Phi-4-reasoning-plus delivers superior unit economics; model your specific monthly workload below before migrating.(Price records last updated 2026-10-11 (UTC))
💡 10M Monthly Token Workload Simulation
Simulating a production workload (10M input + 2M output tokens): Phi-4-reasoning-plus listed rate totals ~$2.25, while Claude Sonnet 5 totals ~$40.00. Switching to Phi-4-reasoning-plus yields ~$37.75/mo in raw token savings.
Metric
Phi-4-reasoning-plus (Microsoft Azure)
Claude Sonnet 5 (Anthropic)
Input listed rate
$0.13 / 1M Tokens
$2.00 / 1M Tokens
Output listed rate
$0.50 / 1M Tokens
$10.00 / 1M Tokens
Cached Input rate
—
$0.20 / 1M Tokens
Context Window
32K Tokens
1000K Tokens
Modality
llm
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