Compare openrouter/sonar-reasoning vs anthropic/claude-opus-4.5

Model Comparison

Metric	sonar-reasoning openrouter	claude-opus-4.5 anthropic
Pricing
Input Price	$1 / 1M tokens	$5 / 1M tokens
Output Price	$5 / 1M tokens	$25 / 1M tokens
Capabilities
Context Window	127K tokens	200K tokens
Capabilities
Input type	text	text, image
Category Scores
Overall Average	54.1	76.6
Science	62.3	81.3
Writing	62.3	71.2
Academia	48.3	78.2
Marketing	43.6	73.3
Maths	N/A	91.3
Finance	N/A	80.5
Programming	N/A	60.2
Benchmark Tests
HLE	_	28.4
AIME	77.0	_
GPQA	62.3	86.6
SciCode	_	49.5
MATH-500	92.1	_
MMLU-Pro	_	89.5
LiveCodeBench	_	87.1
AA Math Index	_	91.3
AA Coding Index	_	60.2
AAII	34.2	69.8

sonar-reasoning Advantages

• Lower input token cost ($1 / 1M tokens vs $5 / 1M tokens)

claude-opus-4.5 Advantages

• Higher benchmark scores (76.6 vs 54.1)
• Larger context window (200K tokens vs 127K tokens)

Compare openrouter/sonar-reasoning vs anthropic/claude-opus-4.5