Compare · ModelsLive · 2 picked · head to head

phi-3-medium 14B vs Claude Opus 4.5

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Claude Opus 4.5 wins 1 of 1 shared benchmarks. Leads in knowledge.

Category leads
knowledge·Claude Opus 4.5
Hype vs Reality
phi-3-medium 14B
#48 by perf·no signal
QUIET
Claude Opus 4.5
#113 by perf·no signal
QUIET
Best value
phi-3-medium 14B
no price
Claude Opus 4.5
3.0 pts/$
$15.00/M
Vendor risk
Microsoft logo
Microsoft
$3.00T·Big Tech
Low risk
Anthropic logo
Anthropic
$380.0B·Tier 1
Medium risk
Head to head
phi-3-medium 14BClaude Opus 4.5
GPQA diamond
Claude Opus 4.5 leads by +78.0
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
phi-3-medium 14B
3.5
Claude Opus 4.5
81.4
Full benchmark table
Benchmarkphi-3-medium 14BClaude Opus 4.5
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
3.581.4
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Microsoft logophi-3-medium 14B
Anthropic logoClaude Opus 4.5$5.00$25.00200K tokens (~100 books)$100.00