of Beam 1.0 501B A23B's structured outputs fail on CoreWeave (fp4).
Updated October 31, 2026 · How we measure
Structured-output index
The same model breaks your pipeline's structured outputs 15× more often on some inference providers than on others. Find the best one for your pipelines.
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| # | Provider | Structured outputs a day | $ in / out per M | Tokens/s | Uptime | |
|---|---|---|---|---|---|---|
| 1 | Nebius Token Factoryfp4# | 1.41% | 14k | $0.25 / $1.00 | 170 | 99.4% |
| 2 | CoreWeavefp4# | 2.10% | 7.7k | $0.30 / $1.00 | 121 | 99.8% |
Also ignored, under 1,000 structured outputs a day: DigitalOcean 5.53%, Baseten (fp4) 9.84%.
Recommended OpenRouter settings for Beam 1.0 501B A23B
{
"provider": {
"order": [
"nebius/fp4",
"coreweave/fp4"
],
"ignore": [
"digitalocean",
"baseten/fp4"
]
}
}Give llms.txt to your agent
Get updates when its successor drops
And which provider to use.
For model makers
Broken structured outputs carry your model's name
Your users don't see the provider. They see your model failing.
as often on CoreWeave (fp4) as on Nebius Token Factory (fp4), its best provider.
broken structured outputs a day across its 2 providers.
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