Updated 3 h ago · first seen 11 Sept 2026
model_01M29A5BZF6WGH3K0PM25T5PH8
- Context
- 2M tokens
- T2 · 3 h ago
Specification
- Status
- deprecated
Source:Artificial AnalysisT2observed 3 h agomedium
- Openness
- proprietary
Source:Artificial AnalysisT2observed 3 h agomedium
- Context window
- 2M 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
4
Source tiers
T24
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
- 2M tokens
Source:Artificial AnalysisT2observed 3 h agomedium
| Benchmark | Score | Metric | Config | Evaluated | Source |
|---|---|---|---|---|---|
| τ²-bench | 63.74% | pass^1 | aa_slug=grok-4-1-fast · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Artificial Analysis Intelligence Index | 11.28 | index | aa_slug=grok-4-1-fast · version=4.3 · estimated=true | — | artificialanalysis.aiT2 |
| GPQA | 63.74% | accuracy | aa_slug=grok-4-1-fast · variant=GPQA Diamond · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Humanity's Last Exam | 5.1% | accuracy | aa_slug=grok-4-1-fast · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| IFBench | 36.46% | accuracy | aa_slug=grok-4-1-fast · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| MMMU-Pro | 48.44% | accuracy | aa_slug=grok-4-1-fast · evaluator=Artificial Analysis · index_version=4.3 | — | artificialanalysis.aiT2 |
| Terminal-Bench | 14.39% | accuracy | aa_slug=grok-4-1-fast · 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
Statusstatus1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| deprecated | → current | current | Artificial AnalysisT2 | medium | deterministic |
Opennessopenness1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| proprietary | → current | current | Artificial AnalysisT2 | medium | deterministic |
Context windowcontext_length1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 2M 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 →
grok-4-1-fast scores 14.39% on Terminal-Bench
artificial_analysisgrok-4-1-fast scores 63.74% on τ²-bench
artificial_analysisgrok-4-1-fast scores 48.44% on MMMU-Pro
artificial_analysisgrok-4-1-fast scores 5.1% on Humanity's Last Exam
artificial_analysisgrok-4-1-fast scores 11.28 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.