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Apodex 1.1 vs Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)

Apodex · released

Wins 1 of 5 areas

Long documents

Anthropic · released

Wins 4 of 5 areas

Coding · Agents · Reasoning · Facts

Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) is the stronger all-rounder.Apodex 1.1 is cheaper and better at long documents.

Scores updated · 10 tests both models report · How we compare

What it costs

Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.

Apodex 1.1$0.30 to read · $3.00 to write$3.30Price from Artificial Analysis
Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)$2.00 to read · $10.00 to write$12Price from Artificial Analysis

Apodex 1.1 costs 73% less for the same work.

The biggest differences

The tests each model wins by the widest margin, up to three each. Scores are out of 100.

Where Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) pulls ahead

  • Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+28.2points aheadClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)49.8Apodex 1.121.6
  • Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+14.6points aheadClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)46.3Apodex 1.131.7
  • Research-level physics problemsCritPt+6.8points aheadClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)11.4Apodex 1.14.6

Where Apodex 1.1 pulls ahead

  • Reasons across sets of long documentsAA-LCR+3.3points aheadApodex 1.179.3Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)76

Every test, side by side

All 10 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)
  • SciCodeClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) by 3.645.549.1+3.6

Full coding ranking

AgentsClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)
  • Terminal-Bench 4.0Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) by 20.7020.7+20.7
  • GDPValtie34.833.9tie

Full agents ranking

ReasoningClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)
  • CritPtClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) by 6.84.611.4+6.8
  • Humanity's Last ExamClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) by 2.134.136.2+2.1

Full reasoning ranking

FactsClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)

Full facts ranking

Long documentsApodex 1.1
  • AA-LCRApodex 1.1 by 3.379.376+3.3

Full long documents ranking

Other results2 tests, not counted

Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.

  • AA-OmniscienceClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) by 41.3-21.919.4+41.3
  • AA IntelligenceClaude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) by 9.526.435.9+9.5

Questions people ask

Which is better, Apodex 1.1 or Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)?

Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) wins four of the five areas where both have results: coding, agents, reasoning and facts. Apodex 1.1 wins long documents, and costs 73% less.

Which is better for coding?

Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback). It wins the one coding test both models report.

Which is cheaper?

Apodex 1.1 costs $0.30 per million input tokens and $3.00 per million output tokens; Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) costs $2.00 and $10.00. That makes Apodex 1.1 about 73% cheaper for the same work.

How do you compare the two?

We use the 10 benchmark tests both models have published scores on. The verdict counts the 8 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 2 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.