Compare / head-to-head
ERNIE 5.0vsGrok 4 Fast Reasoning
Grok 4 Fast Reasoning leads 2 of 3 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
1 – 2
Grok 4 Fast Reasoning leads
Cheaper per token
—
list price, input + output
Larger context
Grok 4 Fast Reasoning
2M tokens
Provider uptime (30d)
— · —
Baidu · xAI
ERNIE 5.0
Baidu · released 2026-02-06
textvision
- Context
- 128K
- Max out
- 66K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 21 · 5 core
Grok 4 Fast Reasoning
xAI · released 2025-09-19
text
Quality
Benchmark matrix
3 shared · 18 only ERNIE 5.0 · 9 only Grok 4 Fast Reasoning| Benchmark | ERNIE 5.0 | Grok 4 Fast Reasoning | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| GPQA Diamond | 86.36% ↗ | 85.7% ↗ | +0.7 pt | ERNIE 5.0 |
| AIME 2025 | 89.06% ↗ | 92% ↗ | -2.9 pt | Grok 4 Fast Reasoning |
| SimpleQA | 74.01% ↗ | 95% ↗ | -21 pt | Grok 4 Fast Reasoning |
| Only ERNIE 5.0 reports · 18 | ||||
| MMLU-Pro | 83.8% ↗ | not reported | — | — |
| ACEBench Chinese | 89.6% ↗ | not reported | — | — |
| ACEBench English | 87.7% ↗ | not reported | — | — |
| BBEH | 66.63% ↗ | not reported | — | — |
| BFCL v4 | 66.47% ↗ | not reported | — | — |
| BrowseComp-ZH | 64.71% ↗ | not reported | — | — |
| ChineseSimpleQA | 86.03% ↗ | not reported | — | — |
| HMMT 2025 | 79.58% ↗ | not reported | — | — |
| HumanEval+ | 94.48% ↗ | not reported | — | — |
| Humanity's Last Exam | 25.81% ↗ | not reported | — | — |
| IFEval | 93.35% ↗ | not reported | — | — |
| LiveCodeBench v6 | 76.21% ↗ | not reported | — | — |
| MBPP+ | 82.54% ↗ | not reported | — | — |
| Multi-IF | 85.56% ↗ | not reported | — | — |
| MultiChallenge | 65.98% ↗ | not reported | — | — |
| SpreadsheetBench | 40.08% ↗ | not reported | — | — |
| Tau2-Bench | 78.79% ↗ | not reported | — | — |
| ZebraLogic | 96.5% ↗ | not reported | — | — |
| Only Grok 4 Fast Reasoning reports · 9 | ||||
| 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 ↗ | — | — |
| 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 ERNIE 5.0 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 | ERNIE 5.0 | Grok 4 Fast Reasoning | Edge |
|---|---|---|---|
| Context window | 128K 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 | ERNIE 5.0 |
| Released | 2026-02-06 | 2025-09-19 | — |
| Cited benchmark scores | 21 | 12 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
ERNIE 5.0 vs …
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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 ERNIE 5.0 and Grok 4 Fast Reasoning on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.