Compare openai/gpt-5-mini vs anthropic/claude-opus-4.5

Model Comparison

Metric	gpt-5-mini openai	claude-opus-4.5 anthropic
Pricing
Input Price	$0.25 / 1M tokens	$5 / 1M tokens
Output Price	$2 / 1M tokens	$25 / 1M tokens
Capabilities
Context Window	400K tokens	200K tokens
Capabilities	tools
Input type	text, image	text, image
Category Scores
Overall Average	73.6	76.6
Maths	90.7	91.3
Finance	77.5	80.5
Science	76.1	81.3
Writing	71.2	71.2
Academia	73.5	78.2
Marketing	74.5	73.3
Programming	51.4	60.2
Benchmark Tests
HLE	19.7	28.4
GPQA	82.8	86.6
SciCode	39.2	49.5
MMLU-Pro	83.7	89.5
LiveCodeBench	83.8	87.1
AA Math Index	90.7	91.3
AA Coding Index	51.4	60.2
AAII	64.3	69.8

gpt-5-mini Advantages

• Lower input token cost ($0.25 / 1M tokens vs $5 / 1M tokens)
• Larger context window (400K tokens vs 200K tokens)

claude-opus-4.5 Advantages

• Higher benchmark scores (76.6 vs 73.6)

Compare openai/gpt-5-mini vs anthropic/claude-opus-4.5