Claude 3.5 Sonnet vs Grok-3 Mini: Specs & Benchmark Comparison

CharacteristicClaude 3.5 SonnetGrok-3 Mini
CompanyAnthropicxAI
Release DateJune 21, 2024February 16, 2025
Parameters
MultimodalYesYes
Context (input)200K128K
Context (output)200K8K
Input Price / 1M$3.00$0.30
Output Price / 1M$15.00$0.50
Average Score0.80.9
Benchmarks
GPQA0.60.8

Visual Benchmark Comparison

Claude 3.5 Sonnet
Grok-3 Mini
GPQA0.6 vs 0.8
0.6
0.8

Verdict

Grok-3 Mini leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Claude 3.5 Sonnet — 0.8, Grok-3 Mini — 0.9.

API Cost

Grok-3 Mini is 22.5x cheaper: input $0.30/1M vs $3.00/1M tokens.

Context Window

Claude 3.5 Sonnet supports a larger context: 200K vs 128K tokens.

Recency

Grok-3 Mini is newer: released 2/16/2025 vs 6/21/2024.

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Frequently Asked Questions

Which is better for coding — Claude 3.5 Sonnet or Grok-3 Mini?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude 3.5 Sonnet or Grok-3 Mini?
Grok-3 Mini is cheaper for input: $0.30 per 1M tokens vs $3.00.
Which has a larger context window — Claude 3.5 Sonnet or Grok-3 Mini?
Claude 3.5 Sonnet supports a larger context: 200,000 tokens vs 128,000.

The Claude 3.5 Sonnet 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 3.5 Sonnet or Grok-3 Mini page. See also the complete list of AI model comparisons.