Model decision surface
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Start with GPT-5.6 Luna and gpt oss safeguard 120b, 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-5.6 Luna vs gpt oss safeguard 120b
Live dataset updated 9/13/2026, 2:40:29 PM UTC
Open 1200×630 evidence receipt| Field | GPT-5.6 Luna OpenAI | gpt oss safeguard 120b OpenAI |
|---|---|---|
| ModelCap position | #26 | #141 |
| Index score | 70.1 | 32.2 |
| Evidence | Measured6 public benchmark observations across 6 boards | Inheritedfinetune of openai/gpt-oss-120b · fp4 (100%) |
| Input / 1M | $0.20 | Unavailable |
| Output / 1M | $1.20 | Unavailable |
| Pricing status | fresh | unavailable |
| Context | 1M | — |
| Providers | 3 | 0 |
| Weight access | API only | Open weights |
Decision facts
- GPT-5.6 Luna is #26; gpt oss safeguard 120b is #141 on the same current language board.
- Index scores are 70.1 for GPT-5.6 Luna and 32.2 for gpt oss safeguard 120b. Their published uncertainty intervals do not overlap, but the aggregate Index does not predict performance on every task; compare the relevant benchmark configurations before choosing.
- Evidence differs: GPT-5.6 Luna is Measured; gpt oss safeguard 120b is Inherited.
- Weight access differs: GPT-5.6 Luna is none; gpt oss safeguard 120b is open.
- ModelCap currently lists 3 providers for GPT-5.6 Luna and 0 for gpt oss safeguard 120b.
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.