Compare · ModelsLive · 2 picked · head to head
gpt-oss-20b vs Qwen3.5 397B A17B
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Qwen3.5 397B A17B wins on 1/1 benchmarks
Qwen3.5 397B A17B wins 1 of 1 shared benchmarks. Leads in arena.
Category leads
arena·Qwen3.5 397B A17B
Hype vs Reality
Attention vs performance
gpt-oss-20b
#22 by perf·no signal
Qwen3.5 397B A17B
#3 by perf·no signal
Best value
gpt-oss-20b
13.8x better value than Qwen3.5 397B A17B
gpt-oss-20b
792.9 pts/$
$0.09/M
Qwen3.5 397B A17B
57.4 pts/$
$1.36/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Alibaba (Qwen)
$293.0B·Tier 1
Head to head
1 benchmark · 2 models
gpt-oss-20bQwen3.5 397B A17B
Chatbot Arena Elo · Overall
Qwen3.5 397B A17B leads by +130.0
gpt-oss-20b
1317.7
Qwen3.5 397B A17B
1447.7
Full benchmark table
| Benchmark | gpt-oss-20b | Qwen3.5 397B A17B |
|---|---|---|
Chatbot Arena Elo · Overall | 1317.7 | 1447.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| gpt-oss-20b | $0.03 | $0.14 | 131K tokens (~66 books) | $0.57 |
| Qwen3.5 397B A17B | $0.39 | $2.34 | 262K tokens (~131 books) | $8.78 |
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