---
title: "Claude Sonnet 4.6 vs gpt-oss-120b — which is worth buying · Undominated.ai"
canonical: https://undominated.ai/compare/anthropic__claude-sonnet-4.6--vs--openai__gpt-oss-120b/
description: "Claude Sonnet 4.6 versus gpt-oss-120b: capability, price, and whether either strictly dominates the other. Unrated stays unrated."
---

# Claude Sonnet 4.6 vs gpt-oss-120b — which is worth buying · Undominated.ai

> Claude Sonnet 4.6 versus gpt-oss-120b: capability, price, and whether either strictly dominates the other. Unrated stays unrated.

# Claude Sonnet 4.6 versus gpt-oss-120b

Neither strictly dominates the other on this workload.

People searched gpt oss 120b vs claude sonnet 4.6.

 [Claude Sonnet 4.6](/models/anthropic__claude-sonnet-4.6/)

General

 **

1457.6

Effective $/M

 **

$6.00/M

 [gpt-oss-120b](/models/openai__gpt-oss-120b/)

General

 **

1365.6

Effective $/M

 **

$0.070/M

| | Claude Sonnet 4.6 | gpt-oss-120b |
| --- | --- | --- |
| LMArena | 1457.6 | 1365.6 |
| Document | 1482.8 | — |
| Arena | 1457.6 | 1365.6 |
| Effective $/M | $6.00 | $0.070 |
| Context | 1M | 131K |

## Questions this page answers

### Is Claude Sonnet 4.6 both better and cheaper than gpt-oss-120b?

Neither strictly dominates the other on this workload.

### Does a missing score count as zero?

No. Unrated is not a score of zero. No quality bar is drawn for a missing score.