Decision support
Aion-2.0 vs Composer 2
Compare canonical objects directly. The useful dimensions change with the object type, so model and hardware comparisons stay separate.
Composer 2
Cursor
Benchmark results
No benchmark results have been matched to these models yet.
Model specifications
Release date
February 23, 2026
March 19, 2026
Context window
131K
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Native context
—
—
Max output tokens
32,768
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Knowledge cutoff
—
—
Open weights
Closed
Closed
Parameter count
—
—
API pricing · USD per 1M tokens
Input
$0.80
$0.50
Output
$1.60
$2.50
Cached input
$0.20
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Cache write
—
—
Capabilities and modalities
Input modalities
text
text
Output modalities
text
text
Tool calling
Supported
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Reasoning option
Supported
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Supported options
include_reasoning, max_tokens, reasoning, response_format, temperature, tool_choice, tools, top_p
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Capabilities
—
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Architecture and availability
Architecture
—
—
Model families
—
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Tokenizer
Other
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Instruction format
—
—
License
—
proprietary
Providers
1
0
Provider endpoints
1
0
Ollama variants
0
0
Metadata source
ai-research
curated
A dash means the field is not reported. Provider-specific performance and pricing may differ.