Claude Sonnet 4.5 vs Inkling
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Inkling by NVIDIA wins on 8 of 11 benchmarks against Claude Sonnet 4.5 by Anthropic, which leads on 2. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Inkling scores 25.5 on AA Intelligence Index compared to Claude Sonnet 4.5's 21.2.
Coding: In coding, both score 52.1 on AA Coding Index, while Claude Sonnet 4.5 scores 1184 on Design Arena ELO compared to Inkling's 1183, while Inkling scores 1227 on Website Arena ELO compared to Claude Sonnet 4.5's 1202.
Reasoning: In reasoning, Inkling scores 83.2% on GPQA Diamond compared to Claude Sonnet 4.5's 82.5%, while Inkling scores 24.3 on AA Agentic Index compared to Claude Sonnet 4.5's 17.5, while Claude Sonnet 4.5 scores 73.0% on τ²-Bench Airline compared to Inkling's 67.3%.
Context: In context, Inkling scores 1.0M on Context Length compared to Claude Sonnet 4.5's 1.0M.
Pricing Comparison
Claude Sonnet 4.5 costs $3.0/1M input tokens and $15.0/1M output tokens, while Inkling costs $1.0/1M input and $4.0/1M output. Inkling is the more affordable option for API usage.
Verdict
Inkling leads across the board in affordability, making it the stronger overall choice in this comparison.
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Claude Sonnet 4.5 vs Inkling — FAQ
Which is better, Claude Sonnet 4.5 or Inkling?
Inkling wins on more benchmarks overall (8 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Sonnet 4.5 compare to Inkling for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Claude Sonnet 4.5 cheaper than Inkling?
Yes, Inkling is cheaper. Claude Sonnet 4.5 costs $3.0/1M input and $15.0/1M output tokens. Inkling costs $1.0/1M input and $4.0/1M output tokens.
Which is faster, Claude Sonnet 4.5 or Inkling?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the Claude Sonnet 4.5 vs Inkling comparison cover?
This comparison covers 11 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Intelligence Index, AA Coding Index, AA Agentic Index, Cached Input Cost, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.