Compare · ModelsLive · 2 picked · head to head

phi-3-small 7.4B vs GPT-5.3-Codex

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

Winner summary

Not enough overlapping benchmarks to declare a winner yet · phi-3-small 7.4B · GPT-5.3-Codex are still filling in scores.

Hype vs Reality
phi-3-small 7.4B
#25 by perf·no signal
QUIET
GPT-5.3-Codex
#86 by perf·no signal
QUIET
Best value
phi-3-small 7.4B
no price
GPT-5.3-Codex
6.6 pts/$
$7.88/M
Vendor risk
Microsoft logo
Microsoft
$3.00T·Big Tech
Low risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Microsoft logophi-3-small 7.4B
OpenAI logoGPT-5.3-Codex$1.75$14.00400K tokens (~200 books)$48.13