Updated 3 h ago · first seen 11 Sept 2026
model_01M29A5BM6P5RTEF8AMJSSXJ3T
- Context
- 65.5K tokens
- T2 · 3 h ago
Specification
- Openness
- open-weights
Source:Artificial AnalysisT2observed 3 h agomedium
- Context window
- 65.5K tokens
Source:Artificial AnalysisT2observed 3 h agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
3
Source tiers
T23
Freshest observation
3 h ago
Conflicts
None
Modalities
Modalities unavailable.
Capabilities
Tool calling
Unavailable
Structured output
Unavailable
Reasoning
No
Artificial Analysis · T2
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 65.5K tokens
Source:Artificial AnalysisT2observed 3 h agomedium
| Benchmark | Score | Metric | Config | Evaluated | Source |
|---|---|---|---|---|---|
| τ²-bench | 11.4% | pass^1 | aa_slug=apertus-8b-instruct · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Artificial Analysis Intelligence Index | 4.83 | index | aa_slug=apertus-8b-instruct · version=4.3 · estimated=true | — | artificialanalysis.aiT2 |
| GPQA | 25.56% | accuracy | aa_slug=apertus-8b-instruct · variant=GPQA Diamond · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Humanity's Last Exam | 4.96% | accuracy | aa_slug=apertus-8b-instruct · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| IFBench | 22.38% | accuracy | aa_slug=apertus-8b-instruct · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Terminal-Bench | 0% | accuracy | aa_slug=apertus-8b-instruct · variant=hard · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
Scores are reported as published, with their evaluation configuration (harness, prompting, judge). Results with different configs are not directly comparable — see methodology.
Current prices
No current prices recorded
Price history
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Opennessopenness1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| open-weights | → current | current | Artificial AnalysisT2 | medium | deterministic |
Context windowcontext_length1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 65.5K tokens | → current | current | Artificial AnalysisT2 | medium | deterministic |
Reasoningreasoning1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| No | → current | current | Artificial AnalysisT2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
New model: apertus-8b-instruct (Swiss AI Initiative)
artificial_analysisapertus-8b-instruct scores 0% on Terminal-Bench
artificial_analysisapertus-8b-instruct scores 11.4% on τ²-bench
artificial_analysisapertus-8b-instruct scores 22.38% on IFBench
artificial_analysisapertus-8b-instruct scores 4.96% on Humanity's Last Exam
artificial_analysisapertus-8b-instruct scores 25.56% on GPQA
artificial_analysisapertus-8b-instruct scores 4.83 on Artificial Analysis Intelligence Index
artificial_analysis
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Artificial Analysis | artificialanalysis.ai/leaderboards/models | leaderboard | T2· Quality secondary | 3 h ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.