Compare / head-to-head
Amazon Nova 2 LitevsGrok 4 Fast Reasoning
Grok 4 Fast Reasoning leads 2 of 2 shared benchmarks. Grok 4 Fast Reasoning has the larger context window (2M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 2
Grok 4 Fast Reasoning leads
Cheaper per token
—
list price, input + output
Larger context
Grok 4 Fast Reasoning
2M tokens
Provider uptime (30d)
— · —
Amazon · xAI
Amazon Nova 2 Lite
Amazon · released 2025-12-02
textvision
- Context
- 1M
- Max out
- 66K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 12 · 3 core
Grok 4 Fast Reasoning
xAI · released 2025-09-19
text
Quality
Benchmark matrix
2 shared · 10 only Amazon Nova 2 Lite · 10 only Grok 4 Fast Reasoning| Benchmark | Amazon Nova 2 Lite | Grok 4 Fast Reasoning | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 2 | ||||
| GPQA Diamond | 79.6% ↗ | 85.7% ↗ | -6.1 pt | Grok 4 Fast Reasoning |
| AIME 2025 | 91% ↗ | 92% ↗ | -1 pt | Grok 4 Fast Reasoning |
| Only Amazon Nova 2 Lite reports · 10 | ||||
| MMLU-Pro | 80.9% ↗ | not reported | — | — |
| BFCL v4 | 60.3% ↗ | not reported | — | — |
| IF-Bench | 70.8% ↗ | not reported | — | — |
| LongCodeBench 1M | 84% ↗ | not reported | — | — |
| MCP Atlas | 24.6% ↗ | not reported | — | — |
| MultiChallenge | 76.6% ↗ | not reported | — | — |
| RealKIE-FCC Verified | 62.1% ↗ | not reported | — | — |
| tau2-bench Airline Verified | 64.8% ↗ | not reported | — | — |
| tau2-bench Retail Verified | 76.5% ↗ | not reported | — | — |
| tau2-bench Telecom | 76% ↗ | not reported | — | — |
| Only Grok 4 Fast Reasoning reports · 10 | ||||
| Humanity's Last Exam (no tools) | not reported | 20% ↗ | — | — |
| BrowseComp | not reported | 44.9% ↗ | — | — |
| BrowseComp (zh) | not reported | 51.2% ↗ | — | — |
| HMMT 2025 (no tools) | not reported | 93.3% ↗ | — | — |
| LiveCodeBench (Jan-May) | not reported | 80% ↗ | — | — |
| Reka Research Eval | not reported | 66% ↗ | — | — |
| Search Arena Elo | not reported | 1163 ↗ | — | — |
| SimpleQA | not reported | 95% ↗ | — | — |
| X Bench Deepsearch (zh) | not reported | 74% ↗ | — | — |
| X Browse | not reported | 58% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Amazon Nova 2 Lite minus Grok 4 Fast Reasoning in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Amazon Nova 2 Lite | Grok 4 Fast Reasoning | Edge |
|---|---|---|---|
| Context window | 1M tokens | 2M tokens | Grok 4 Fast Reasoning |
| Max output | 66K tokens | — | — |
| Input price / 1M | — | $0.2 ↗ | — |
| Output price / 1M | — | $0.5 ↗ | — |
| Cached input / 1M | — | $0.05 ↗ | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $0.7 | — |
| Modalities | text · vision | text | Amazon Nova 2 Lite |
| Released | 2025-12-02 | 2025-09-19 | — |
| Cited benchmark scores | 12 | 12 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Amazon Nova 2 Lite vs …
Models sharing the most benchmarksMore matchups
Grok 4 Fast Reasoning vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Amazon Nova 2 Lite and Grok 4 Fast Reasoning on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.