xAI · xAI
Grok 4.3 vs Grok 4.5
Compare Grok 4.3 (xAI) and Grok 4.5 (xAI) on benchmarks, capabilities, and pricing.
At a glance
| Grok 4.3 | Grok 4.5 | |
|---|---|---|
| Provider | xAI | xAI |
| Context | 1M tokens | 500K tokens |
| Modality | Multimodal | Multimodal |
| Pricing | Max | Max |
| Speed | Medium | Medium |
| Reasoning | Expert | Expert |
Benchmarks
Grok 4.3
- AA Intelligence Index
- Output speed
- API input cost
- API output cost
- Context window
- 1MCatalog · As of Aug 11, 2026Stale · 31d old
Benchmark variant: Grok 4.3 (high)
AA data retrieved Sep 11, 2026 · Artificial Analysis
Grok 4.5
- AA Intelligence Index
- Output speed
- 57.3tokens/sConfiguration: Prompt length: 1,000 · Parallel queries: 1Artificial Analysis · Date unknownAge unknown
- API input cost
- API output cost
- Context window
- 500KCatalog · As of Aug 11, 2026Stale · 31d old
Benchmark variant: Grok 4.5 (high)
AA data retrieved Sep 11, 2026 · Artificial Analysis
Try both on yno.ai
Switch between Grok 4.3 and Grok 4.5 per task with one account.
Frequently asked
- Which is faster, Grok 4.3 or Grok 4.5?
- Grok 4.3 is rated medium and Grok 4.5 is rated medium. yno.ai surfaces output-speed scores from Artificial Analysis on each model's detail page so you can compare exact tokens-per-second figures for your workload.
- Which is cheaper, Grok 4.3 or Grok 4.5?
- Grok 4.3 is on the max tier in yno.ai; Grok 4.5 is on the max tier. See the pricing page for the latest per-tier limits.
- Which is better for Tool-calling agents?
- Both models support Tool-calling agents. Grok 4.3 brings Configurable reasoning effort; Grok 4.5 brings 500K context. Run a side-by-side eval on your prompts in yno.ai to see which fits your workload.
- Can I use both Grok 4.3 and Grok 4.5 in yno.ai?
- Yes. Both are available on yno.ai under your single account; you can route different stages of an agent to different models or A/B test them on the same prompt without per-provider boilerplate.