OpenGPTEvidence-based model decisionsCURATED MODEL COMPARISON
Grok 4.5 vs Grok 4.3
Grok 4.5 vs Grok 4.3: Choose the exact version within one model family, keeping capability, speed, access, and lifecycle differences explicit. Compare exact official model IDs using published signals, provider links, and clearly separated family-level guidance.
Updated:Published data side by side
Each value keeps its original source and scale. Missing data is not treated as zero, and OpenGPT does not create a composite winner.
| Ranking angle | Grok 4.5 | Grok 4.3 |
|---|---|---|
| User preference | Rank 35Published value: 1468Original ranking: LMArena ↗Official identity mapping ↗Research edition: 2026-08 · Aug 8, 2026 | Rank 75Published value: 1442Original ranking: LMArena ↗Official identity mapping ↗Research edition: 2026-08 · Aug 8, 2026 |
| Intelligence index | No linked comparable data | No linked comparable data |
| Objective tasks | No linked comparable data | No linked comparable data |
| Cost per successful task | Rank 10Published value: $0.1305Original ranking: LiveBench ↗Official identity mapping ↗Research edition: 2026-08 · Aug 8, 2026 | Rank 6Published value: $0.0614Original ranking: LiveBench ↗Official identity mapping ↗Research edition: 2026-08 · Aug 8, 2026 |
| Open-weight models | No linked comparable data | No linked comparable data |
This page organizes published third-party data. OpenGPT did not rerun the underlying evaluations.
What to validate
These strengths and limits describe the wider model family from official positioning, not measured results for this exact version.
Grok 4.5
grok-4.5Family strengths
Managed models include tool and real-time information paths. Provides general, reasoning, coding, and multimodal variants.
Family limitations
Closed weights and provider-controlled data/tool access. Observed quality depends on the exact model and enabled tools.
Grok 4.3
grok-4.3Family strengths
Managed models include tool and real-time information paths. Provides general, reasoning, coding, and multimodal variants.
Family limitations
Closed weights and provider-controlled data/tool access. Observed quality depends on the exact model and enabled tools.
Continue with your decision
Use the interactive matrix to add more models, then validate the final two on your own prompts and constraints.