Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
Xai
Xai

Claude 3.5 Sonnet vs Grok 3

A detailed comparison of pricing, benchmarks, and capabilities

108 out of our 483 tracked models have had a price change in March.

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Key Takeaways

Claude 3.5 Sonnet wins:

  • Larger context window
  • Better at coding
  • Supports vision

Grok 3 wins:

  • Higher intelligence benchmark
Price Advantage
Claude 3.5 Sonnet
Benchmark Advantage
Claude 3.5 Sonnet
Context Window
Claude 3.5 Sonnet
Speed
N/A

Pricing Comparison

Price Comparison

MetricClaude 3.5 SonnetGrok 3Winner
Input (per 1M tokens)$3.00$3.00Tie
Output (per 1M tokens)$15.00$15.00Tie
Cache Read (per 1M)$0.60$0.75 Claude 3.5 Sonnet
Cache Write (per 1M)$7.50N/A Claude 3.5 Sonnet
Both models have similar overall pricing.

Claude 3.5 Sonnet Providers

No provider data available

Grok 3 Providers

No provider data available

Benchmark Comparison

7
Benchmarks Compared
0
Claude 3.5 Sonnet Wins
1
Grok 3 Wins

Benchmark Scores

BenchmarkClaude 3.5 SonnetGrok 3Winner
Intelligence Index
Overall intelligence score
15.921.6
Coding Index
Code generation & understanding
30.2--
MMLU Pro
Academic knowledge
77.2--
GPQA
Graduate-level science
59.9--
LiveCodeBench
Competitive programming
38.1--
Aider
Real-world code editing
84.2--
AIME
Competition math
15.7--
Claude 3.5 Sonnet significantly outperforms in coding benchmarks.

Cost vs Quality

X-axis:
Y-axis:
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Claude 3.5 Sonnet
Other models

Context & Performance

Context Window

Claude 3.5 Sonnet
200,000
tokens
Grok 3
131,072
tokens
Claude 3.5 Sonnet has a 34% larger context window.

Speed Performance

MetricClaude 3.5 SonnetGrok 3Winner
Tokens/second0.0 tok/s0.0 tok/s
Time to First Token0.00s0.00s

Capabilities

Feature Comparison

FeatureClaude 3.5 SonnetGrok 3
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude 3.5 SonnetGrok 3
LicenseProprietaryProprietary
AuthorAnthropicXai
ReleasedOct 2024Jun 2025

Claude 3.5 Sonnet Modalities

Input
textimagefile
Output
text

Grok 3 Modalities

Input
text
Output
text

Related Comparisons

Compare Claude 3.5 Sonnet with:

Compare Grok 3 with:

Frequently Asked Questions

Claude 3.5 Sonnet has cheaper input pricing at $3.00/M tokens. Claude 3.5 Sonnet has cheaper output pricing at $15.00/M tokens.
Claude 3.5 Sonnet scores higher on coding benchmarks with a score of 30.2, compared to Grok 3's score of N/A.
Claude 3.5 Sonnet has a 200,000 token context window, while Grok 3 has a 131,072 token context window.
Claude 3.5 Sonnet supports vision. Grok 3 does not support vision.