Compare · ModelsLive · 2 picked · head to head
o3 vs ERNIE 4.5 21B A3B Thinking
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
ERNIE 4.5 21B A3B Thinking wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · o3 · ERNIE 4.5 21B A3B Thinking are still filling in scores.
Hype vs Reality
Attention vs performance
o3
#67 by perf·no signal
ERNIE 4.5 21B A3B Thinking
#55 by perf·no signal
Best value
ERNIE 4.5 21B A3B Thinking
29.5x better value than o3
o3
11.0 pts/$
$5.00/M
ERNIE 4.5 21B A3B Thinking
325.7 pts/$
$0.18/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Baidu
$45.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| o3 | $2.00 | $8.00 | 200K tokens (~100 books) | $35.00 |
| ERNIE 4.5 21B A3B Thinking | $0.07 | $0.28 | 131K tokens (~66 books) | $1.23 |