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Model Comparison

grok-code-fast-1vsclaude-opus-4

Model Comparison

Compare performance, benchmarks, and characteristics

grok-code-fast-1

xai

Context256K tokens

Input Price$0.2 / 1M tokens

Output Price$1.5 / 1M tokens

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claude-opus-4

anthropic

Context200K tokens

Input Price$15 / 1M tokens

Output Price$75 / 1M tokens

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Model Comparison

Metric	grok-code-fast-1 xai	claude-opus-4 anthropic
Pricing
Input Price	$0.2 / 1M tokens	$15 / 1M tokens
Output Price	$1.5 / 1M tokens	$75 / 1M tokens
Capabilities
Context Window	256K tokens	200K tokens
Capabilities	tools	tools
Input type	text	text, image
Category Scores
Overall Average	49.1	55.9
Academia	60.7	70.1
Marketing	34.9	43.5
Programming	51.0	53.1
Science	72.7	80.9
Writing	26.0	32.0
Benchmark Tests
AA Coding Index	51.0	53.1
AAII	48.6	59.3
GPQA	72.7	80.9
HLE	7.5	11.9
LiveCodeBench	65.7	65.4
MMLU-Pro	79.3	88.0
SciCode	36.2	40.9

grok-code-fast-1 Advantages

• Lower input token cost ($0.2 / 1M tokens vs $15 / 1M tokens)
• Larger context window (256K tokens vs 200K tokens)

claude-opus-4 Advantages

• Higher benchmark scores (55.9 vs 49.1)

Compare xai/grok-code-fast-1 vs anthropic/claude-opus-4