Compare · ModelsLive · 2 picked · head to head
Llama 3.1 405B vs gpt-oss-20b
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
gpt-oss-20b wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Llama 3.1 405B · gpt-oss-20b are still filling in scores.
Hype vs Reality
Attention vs performance
Llama 3.1 405B
#151 by perf·no signal
gpt-oss-20b
#22 by perf·no signal
Vendor risk
Who is behind the model
Meta AI
$1.50T·Tier 1
OpenAI
$840.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| Llama 3.1 405B | — | — | — | — |
| gpt-oss-20b | $0.03 | $0.14 | 131K tokens (~66 books) | $0.57 |