Claude Opus 4.5 is the newer model, released after GPT OSS 120B.
| Spec | Claude Opus 4.5 | GPT OSS 120B |
|---|---|---|
| Input price | — | $0.18/M tokens |
| Output price | — | $0.8/M tokens |
| Context window | — | 131K tokens |
| Released | Nov 2025 | Aug 2025 |
Not enough votes to call it. On the specs, nothing separates them.
GPT OSS 120B uses 3.2x more transitions
Claude Opus 4.5 is the newer model, released after GPT OSS 120B.
| Spec | Claude Opus 4.5 | GPT OSS 120B |
|---|---|---|
| Input price | — | $0.18/M tokens |
| Output price | — | $0.8/M tokens |
| Context window | — | 131K tokens |
| Released | Nov 2025 | Aug 2025 |
Not enough votes to call it. On the specs, nothing separates them.
GPT OSS 120B uses 3.2x more transitions