Claude Opus 5.5 (Low, Default Fallback) vs Inkling Small
Which is better for the money: Claude Opus 5.5 (Low, Default Fallback) by Anthropic or Inkling Small by Thinking Machines? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Claude Opus 5.5 (Low, Default Fallback) scores 16.6 points higher (42.3 vs 25.7) but costs 3.6× as much to run the benchmark ($860 vs $241; premium vs mid-range cost classes). They are not alternatives at one budget: pick Claude Opus 5.5 (Low, Default Fallback) when you need intelligence above 25.7, and Inkling Small when 25.7 is enough.
| Metric | Claude Opus 5.5 (Low, Default Fallback) | Inkling Small | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.3 | 25.7 | −39.2% Inkling Small is 39.2% less intelligent |
| Total AA cost (lower is better) | $860.33 | $240.85 | −72.0% Inkling Small is 72.0% cheaper |
| End-to-end time (lower is better) | 11.02s | 12.80s | +16.2% Inkling Small is 16.2% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image, Speech |
Inkling Small vs Claude Opus 5.5 (Low, Default Fallback): 39.2% less intelligence, 72.0% less cost to run the AA benchmark, and 16.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Inkling Small is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude Opus 5.5 (Low, Default Fallback)Inkling SmallToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-low/inkling-small · Markdown: /api/v1/compare/claude-opus-5-5-low/inkling-small?format=md · llms.txt · agent skill