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Claude 3.5 Sonnet vs Grok‑1

2 vs 0 benchmarks won

Anthropic
Claude 3.5 Sonnet
xAI
Grok‑1
Overview
CompanyAnthropicxAI
Release dateJun 20 2024Nov 3 2023
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
59.4%
Software engineering
SWE-Bench Verified
33.4%
Multimodal understanding
MMMU
Timeline
Release gapGrok‑1 shipped 230 days before Claude 3.5 Sonnet

Which is better: Claude 3.5 Sonnet or Grok‑1?

Claude 3.5 Sonnet leads Grok‑1 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Grok‑1 shipped 230 days before Claude 3.5 Sonnet, so benchmark comparisons should account for the intervening progress.

Grok‑1 is an open-source / open-weight model; Claude 3.5 Sonnet is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude 3.5 Sonnet released?
Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.
When was Grok‑1 released?
Grok‑1 was released by xAI on Nov 3 2023.
Is Claude 3.5 Sonnet or Grok‑1 open source?
Grok‑1 is an open-source / open-weight model released by xAI. Claude 3.5 Sonnet is a proprietary model released by Anthropic.

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