Compare anthropic/claude-sonnet-4.5 vs openrouter/afm-4.5b

Model Comparison

Metric	claude-sonnet-4.5 anthropic	afm-4.5b openrouter
Pricing
Input Price	$3 / 1M tokens	$0.1 / 1M tokens
Output Price	$15 / 1M tokens	$0.4 / 1M tokens
Capabilities
Context Window	200K tokens	65536 tokens
Capabilities	tools, reasoning
Input type	text, image	text
Category Scores
Overall Average	71.4	0.0
Maths	88.0	N/A
Finance	75.3	N/A
Science	77.7	N/A
Writing	66.9	N/A
Academia	73.0	N/A
Marketing	69.2	N/A
Programming	49.8	N/A
Benchmark Tests
HLE	17.3	_
GPQA	83.4	_
SciCode	44.7	_
MMLU-Pro	87.5	_
LiveCodeBench	71.4	_
AA Math Index	88.0	_
AA Coding Index	49.8	_
AAII	62.7	_

claude-sonnet-4.5 Advantages

• Higher benchmark scores (71.4 vs 0.0)
• Larger context window (200K tokens vs 65536 tokens)

afm-4.5b Advantages

• Lower input token cost ($0.1 / 1M tokens vs $3 / 1M tokens)

Compare anthropic/claude-sonnet-4.5 vs openrouter/afm-4.5b