Apertus 70B Instruct vs Apertus 8B Instruct
Wins 4 of 5 areas
Coding · Reasoning · Facts · Following instructions
Wins 0 of 5 areas
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Apertus 70B Instruct is the stronger all-rounder.Apertus 8B Instruct is cheaper.
Scores updated · 13 tests both models report · How we compare
Where each one wins
Tests won in each of the five areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
- FactsGetting facts right instead of making them up20Apertus 70B Instruct2 of 2 tests
- ReasoningHard problems that need careful thinking10Apertus 70B Instruct1 of 3 tests · 2 ties
- CodingWriting and fixing software10Apertus 70B Instruct1 of 2 tests · 1 tie
- Following instructionsDoing exactly what it is asked10Apertus 70B Instruct1 of 1 test
- Long documentsFinding answers in very long texts00Even0 each · 1 tie
Long documents and following instructions rest on a single test each.
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.
Apertus 8B Instruct costs 92% 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 Apertus 70B Instruct pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+13.3points ahead
- Follows unfamiliar, precisely checkable instructionsIFBench+3.5points ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+1.9points ahead
Where Apertus 8B Instruct pulls ahead
No clear win on a test scored out of 100.
Every test, side by side
All 13 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingApertus 70B Instruct
- SciCodeApertus 70B Instruct by 1.65.74.1+1.6
- Terminal-Bench Hardtie00tie
ReasoningApertus 70B Instruct
- GPQA DiamondApertus 70B Instruct by 1.627.225.6+1.6
- Humanity's Last Examtie5.55tie
- CritPttie00tie
FactsApertus 70B Instruct
- AA-Omniscience · Non-hallucinationApertus 70B Instruct by 13.317.23.9+13.3
- AA-Omniscience · AccuracyApertus 70B Instruct by 1.911.69.7+1.9
Following instructionsApertus 70B Instruct
- IFBenchApertus 70B Instruct by 3.525.922.4+3.5
Other results4 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-OmniscienceApertus 70B Instruct by 15.7-61.5-77.2+15.7
- τ²-Bench Telecom (AA run)Apertus 70B Instruct by 1.512.911.4+1.5
- AA Agentic Indextie4.33.8tie
- AA Intelligencetie5.14.8tie
Questions people ask
Which is better, Apertus 70B Instruct or Apertus 8B Instruct?
Apertus 70B Instruct wins four of the five areas where both have results: coding, reasoning, facts and following instructions. Apertus 8B Instruct wins none, but costs 92% less. They are level on long documents.
Which is better for coding?
Apertus 70B Instruct. It wins 1 of the 2 coding tests both models report; Apertus 8B Instruct wins none, and 1 is a tie.
Which is cheaper?
Apertus 70B Instruct costs $0.82 per million input tokens and $2.92 per million output tokens; Apertus 8B Instruct costs $0.10 and $0.20. That makes Apertus 8B Instruct about 92% cheaper for the same work.
How do you compare the two?
We use the 13 benchmark tests both models have published scores on. The verdict counts the 9 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 4 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.