What are Apertus 70B Instruct's benchmark scores?

As of 25 Oct 2026, Apertus 70B Instruct scores 38.6 ±4.2 on the BenchLeader Index, strongest in reasoning (41) and weakest in long context (23). That rests on 6 independent benchmark results, and every score on this page links to its publisher.

How does Apertus 70B Instruct rank?

Apertus 70B Instruct is #709 of 785 ranked configurations on 25 Oct 2026. 225 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.

When was Apertus 70B Instruct released?

Swiss AI released Apertus 70B Instruct on 2 Sept 2025.

Swiss AIOpen weightsCompare with another model

Apertus 70B Instruct

Apertus 70B Instruct is a Swiss AI open-weights model, released 2 Sept 2025. Its best configuration ranks #709 of 785 on the BenchLeader Index at 38.6 ±4.2, in the lower half. The ± is the point: 225 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in reasoning (41) and lowest in long context (23). Last measured 2 Sept 2025.stale: no new result in six months

Blended price: –
Output speed: –
First answer: –
Context: 66k
Full answer: –
Cost per run: –
Released: 2 Sept 2025

How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.

Overall index39
Reasoning41
Agents & tools34
Knowledge34
Instruction following30
Long context23
Composite35

How its index has moved

9 Sept 2026 to 21 Oct 2026

The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.

Benchmark results

See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Metadata

Benchmark	not stated	Source
AA Openness Indexnot in index	88.9#1	Artificial Analysis

Reasoning

Benchmark	not stated	Source
GPQA Diamond (AA)not in index	27.2%#537	Artificial Analysis
Humanity's Last Exam (AA)not in index	5.5%#424	Artificial Analysis
CritPt	0.0%#315	Artificial Analysis

Agents & tools

Benchmark	not stated	Source
Terminal-Bench Hard	0.0%#362	Artificial Analysis
τ²-Bench Telecom (AA)not in index	12.9%#372	Artificial Analysis

Knowledge

Benchmark	not stated	Source
AA-Omniscience	-61.5#475	Artificial Analysis
AA-Omniscience: accuracynot in index	11.6%#479	Artificial Analysis
AA-Omniscience: non-hallucinationnot in index	17.2%#320	Artificial Analysis

Instruction following

Benchmark	not stated	Source
IFBench	25.9%#390	Artificial Analysis

Long context

Benchmark	not stated	Source
AA-LCR	0.0%#493	Artificial Analysis

Composite

Benchmark	not stated	Source
AA Intelligence Index v4.3.2	5.1#604	Artificial Analysis

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Questions people ask

What are Apertus 70B Instruct's benchmark scores?: As of 25 Oct 2026, Apertus 70B Instruct scores 38.6 ±4.2 on the BenchLeader Index, strongest in reasoning (41) and weakest in long context (23). That rests on 6 independent benchmark results, and every score on this page links to its publisher.
How does Apertus 70B Instruct rank?: Apertus 70B Instruct is #709 of 785 ranked configurations on 25 Oct 2026. 225 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
When was Apertus 70B Instruct released?: Swiss AI released Apertus 70B Instruct on 2 Sept 2025.

Data as of 25 Oct 2026. Compare with another model.

Cite as: BenchLeader, “Apertus 70B Instruct: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/apertus-70b.