Compare / head-to-head
Gemini 4 Argonvs
Grok 4.1 Fast Reasoning
Gemini 4 Argon leads 4 of 4 shared benchmarks. Grok 4.1 Fast Reasoning is 17.1x cheaper per token.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
4 – 0
Gemini 4 Argon leads
Cheaper per token
Grok 4.1 Fast Reasoning
17.1x cheaper, input + output
Larger context
—
unknown
Providers
2 providers
Google · xAI
Gemini 4 Argon
Google · released 2026-09-30
textvisionvideo
Grok 4.1 Fast Reasoning
xAI · released 2025-11-19
text
Quality
Benchmark matrix
4 shared · 8 only Gemini 4 Argon · 3 only Grok 4.1 Fast Reasoning| Benchmark | Gemini 4 Argon | Grok 4.1 Fast Reasoning | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 4 | ||||
| LMArena Elo | 1525.2 ↗ | 1430.3 ↗ | +94.9 | Gemini 4 Argon |
| LMArena WebDev (LMArena) | 1679.5 ↗ | 1241.3 ↗ | +438.2 | Gemini 4 Argon |
| SAGE (Vals AI) | 53.6% ↗ | 31.3% ↗ | +22.3 pt | Gemini 4 Argon |
| Vending-Bench 2 (Andon Labs) | 13718.16 ↗ | 1106.63 ↗ | +12611.5 | Gemini 4 Argon |
| Only Gemini 4 Argon reports · 8 | ||||
| APEX-Agents (Mercor) | 82.2% ↗ | not reported | — | — |
| AutomationBench | 51.3% ↗ | not reported | — | — |
| CWE-bench v1 | 68% ↗ | not reported | — | — |
| DeepSWE v1.1 | 77.9% ↗ | not reported | — | — |
| FrontierSWE V2 (Proximal Labs) | 55% ↗ | not reported | — | — |
| LMArena Agent (LMArena) | 0.0757 ↗ | not reported | — | — |
| LVBench | 91.7% ↗ | not reported | — | — |
| Terminal-Bench 4.0 (Vals AI) | 57.6% ↗ | not reported | — | — |
| Only Grok 4.1 Fast Reasoning reports · 3 | ||||
| FRAMES (Agent Tools API) | not reported | 87.6% ↗ | — | — |
| LMArena Vision (LMArena) | not reported | 1196.3 ↗ | — | — |
| Research-Eval Reka (Agent Tools API) | not reported | 63.9% ↗ | — | — |
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 Gemini 4 Argon minus Grok 4.1 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 | Gemini 4 Argon | Grok 4.1 Fast Reasoning | Edge |
|---|---|---|---|
| Context window | — | 2M tokens | — |
| Max output | 1M tokens | — | — |
| Input price / 1M | $2 ↗ | $0.2 ↗ | Grok 4.1 Fast Reasoning |
| Output price / 1M | $10 ↗ | $0.5 ↗ | Grok 4.1 Fast Reasoning |
| Cached input / 1M | $0.1 ↗ | $0.05 ↗ | Grok 4.1 Fast Reasoning |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $12 | $0.7 | Grok 4.1 Fast Reasoning |
| Modalities | text · vision · video | text | Gemini 4 Argon |
| Released | 2026-09-30 | 2025-11-19 | — |
| Cited benchmark scores | 12 | 7 | — |
Reliability
Provider status
Live from /statusMore matchups
Gemini 4 Argon vs …
Models sharing the most benchmarksMore matchups
Grok 4.1 Fast Reasoning vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Gemini 4 Argon and Grok 4.1 Fast Reasoning on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.