Model decision surface
Compare AI models
Start with GPT-5.3-Codex and Hy4 preview, 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-5.3-Codex vs Hy4 preview
Live dataset updated 9/3/2026, 3:28:37 AM UTC
Open 1200×630 evidence receipt| Field | GPT-5.3-Codex OpenAI | Hy4 preview Tencent |
|---|---|---|
| ModelCap position | #24 | #19 |
| Index score | 65.4 | 68.6 |
| Evidence | Measured1 public benchmark observation across 1 board | Estimatedplaced against measured peers on publisher-reported benchmarks, discounted for self-report optimism; floored directly above its measured family predecessor |
| Input / 1M | $1.75 | $0.834 |
| Output / 1M | $14.00 | $2.50 |
| Pricing status | fresh | fresh |
| Context | 400K | 1M |
| Providers | 2 | 1 |
| Weight access | API only | Open weights |
Decision facts
- GPT-5.3-Codex is #24; Hy4 preview is #19 on the same current language board.
- Index scores are 65.4 for GPT-5.3-Codex and 68.6 for Hy4 preview.
- Evidence differs: GPT-5.3-Codex is Measured; Hy4 preview is Estimated.
- Listed output price per 1M tokens is $14.00 for GPT-5.3-Codex and $2.50 for Hy4 preview.
- Published context is 400,000 tokens for GPT-5.3-Codex and 1,048,576 for Hy4 preview.
- Weight access differs: GPT-5.3-Codex is none; Hy4 preview is open.
- ModelCap currently lists 2 providers for GPT-5.3-Codex and 1 for Hy4 preview.
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.