Compare · ModelsLive · 2 picked · head to head
GPT-4o (2024-05-13) vs gpt-oss-20b (free)
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
gpt-oss-20b (free) wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · GPT-4o (2024-05-13) · gpt-oss-20b (free) are still filling in scores.
Hype vs Reality
Attention vs performance
GPT-4o (2024-05-13)
#89 by perf·no signal
gpt-oss-20b (free)
#27 by perf·no signal
Best value
GPT-4o (2024-05-13)
GPT-4o (2024-05-13)
5.1 pts/$
$10.00/M
gpt-oss-20b (free)
—
$0.00/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $5.00 | $15.00 | 128K tokens (~64 books) | $75.00 | |
| $0.00 | $0.00 | 131K tokens (~66 books) | — |