← All Models

Claude Opus 4.7 vs Grok 3

Grok 3 leads in 4 of 8 categories

Arena ELO

Claude Opus 4.7

Cheaper

Grok 3

Faster

Grok 3

Detailed Comparison

CategoryClaude Opus 4.7Grok 3
ProviderAnthropic xAI
Context Window128K 131K WIN
Input Price ($/1M)N/A $3 WIN
Output Price ($/1M)N/A $15 WIN
Arena ELO1567 WIN1325
CodingN/A unknown
ReasoningN/A 93.3% AIME 2025
Speed (tokens/sec)N/A ~55 t/s WIN
Open SourceNo No

Frequently Asked Questions

Which is better for coding, Claude Opus 4.7 or Grok 3?

Claude Opus 4.7 scores N/A on coding benchmarks, while Grok 3 scores unknown.

Which has a larger context window?

Claude Opus 4.7 supports 128K context, while Grok 3 supports 131K.

Is Claude Opus 4.7 or Grok 3 open source?

Claude Opus 4.7 is proprietary. Grok 3 is proprietary.

Which ranks higher on the Chatbot Arena leaderboard?

Claude Opus 4.7 ranks higher with ELO 1567 vs 1325.

Related Articles

Grok 4.5’s rise comes down to 5 numbers

Grok 4.5 turns agent work into one prompt

Anthropic extends Claude Fable access after GPT-5.6

Claude's J-space is not consciousness, but it matters

Claude Code MCP setup that connects real tools

Claude Reflect turns usage into retention

More Comparisons

Claude Opus 4.7 vs Claude Opus 4.5Claude Opus 4.7 vs Llama 4 ScoutClaude Opus 4.7 vs Claude Sonnet 4.6Claude Opus 4.7 vs Claude Haiku 4.5Claude Opus 4.7 vs Qwen 3.6Claude Opus 4.7 vs Claude Fable 5Claude Opus 4.7 vs Kimi K2.7 CodeClaude Opus 4.7 vs DeepSeek V4 FlashGrok 3 vs Claude Opus 4.5Grok 3 vs Llama 4 ScoutGrok 3 vs Claude Sonnet 4.6Grok 3 vs Claude Haiku 4.5Grok 3 vs Qwen 3.6Grok 3 vs Claude Fable 5Grok 3 vs Kimi K2.7 CodeGrok 3 vs DeepSeek V4 Flash