Claude Opus 4.6 vs Grok-3 Mini: Specs & Benchmark Comparison

CharacteristicClaude Opus 4.6Grok-3 Mini
CompanyAnthropicxAI
Release DateFebruary 4, 2026February 16, 2025
Parameters
MultimodalYesYes
Context (input)1.0M128K
Context (output)128K8K
Input Price / 1M$5.00$0.30
Output Price / 1M$25.00$0.50
Average Score0.80.9
Benchmarks
AIME 20251.00.9
GPQA0.90.8

Visual Benchmark Comparison

Claude Opus 4.6
Grok-3 Mini
AIME 20251.0 vs 0.9
1.0
0.9
GPQA0.9 vs 0.8
0.9
0.8

Verdict

Claude Opus 4.6 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Opus 4.6 — 0.8, Grok-3 Mini — 0.9.

API Cost

Grok-3 Mini is 37.5x cheaper: input $0.30/1M vs $5.00/1M tokens.

Context Window

Claude Opus 4.6 supports a larger context: 1M vs 128K tokens.

Recency

Claude Opus 4.6 is newer: released 2/4/2026 vs 2/16/2025.

More About These Models

Related Comparisons

The Claude Opus 4.6 and Grok-3 Mini comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 4.6 or Grok-3 Mini page. See also the complete list of AI model comparisons.