Model decision surface
Compare AI models
Start with GPT-5.5 Pro and Xing4.0 29B A4B, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.
Current public data
GPT-5.5 Pro vs Xing4.0 29B A4B
Live dataset updated 9/19/2026, 11:04:59 PM UTC
Open 1200×630 evidence receipt| Field | GPT-5.5 Pro OpenAI | Xing4.0 29B A4B XingChen AGI |
|---|---|---|
| ModelCap position | #58 | #56 |
| Index score | 59.5 | 60.9 |
| Evidence | Measuredpublisher-corpus-prior over 195 held-out anchors (60%); 1 specialist-board observation at 2.1% support (40%); shrunk 13.2 toward the measured corpus | Estimatedglobal-corpus-prior over 195 held-out anchors (9%); launch card against 2 resolved peers on 5 rows (91%); exceeds every named peer on 1 of 5 rows; optimism haircut 0 from cross-lab-probe; shrunk 0.8 toward the measured corpus |
| Input / 1M | $30.00 | Unavailable |
| Output / 1M | $180 | Unavailable |
| Pricing status | fresh | unavailable |
| Context | 1M | — |
| Providers | 1 | 0 |
| Weight access | API only | Open weights |
Decision facts
- GPT-5.5 Pro is #58; Xing4.0 29B A4B is #56 on the same current language board.
- Index scores are 59.5 for GPT-5.5 Pro and 60.9 for Xing4.0 29B A4B. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
- Evidence differs: GPT-5.5 Pro is Measured; Xing4.0 29B A4B is Estimated.
- Weight access differs: GPT-5.5 Pro is none; Xing4.0 29B A4B is open.
- ModelCap currently lists 1 providers for GPT-5.5 Pro and 0 for Xing4.0 29B A4B.
These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.
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Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.