Model decision surface
Compare AI models
Start with GPT-5.1-Codex-Mini and GPT-5.6 Terra, 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-5.1-Codex-Mini vs GPT-5.6 Terra
Live dataset updated 8/17/2026, 11:13:20 PM UTC
Open 1200×630 evidence receipt| Field | GPT-5.1-Codex-Mini OpenAI | GPT-5.6 Terra OpenAI |
|---|---|---|
| ModelCap position | #64 | #12 |
| Index score | 41.5 | 73.7 |
| Evidence | Measured1 public benchmark observation across 1 board | Measured6 public benchmark observations across 6 boards |
| Input / 1M | $0.25 | $2.00 |
| Output / 1M | $2.00 | $12.00 |
| Pricing status | fresh | fresh |
| Context | 400K | 1M |
| Providers | 1 | 3 |
| Weight access | API only | API only |
Decision facts
- GPT-5.1-Codex-Mini is #64; GPT-5.6 Terra is #12 on the same current language board.
- Index scores are 41.5 for GPT-5.1-Codex-Mini and 73.7 for GPT-5.6 Terra.
- Both positions use Measured evidence.
- Listed output price per 1M tokens is $2.00 for GPT-5.1-Codex-Mini and $12.00 for GPT-5.6 Terra.
- Published context is 400,000 tokens for GPT-5.1-Codex-Mini and 1,050,000 for GPT-5.6 Terra.
- ModelCap currently lists 1 providers for GPT-5.1-Codex-Mini and 3 for GPT-5.6 Terra.
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.