Compare / head-to-head
Claude Opus 5.5vs
Gemini 4 Argon
Claude Opus 5.5 and Gemini 4 Argon do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Gemini 4 Argon is 2x cheaper per token.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
Gemini 4 Argon
2x cheaper, input + output
Larger context
—
both 1M tokens
Providers
2 providers
Anthropic · Google
Claude Opus 5.5
Anthropic · released 2026-09-22
textvision
Gemini 4 Argon
Google · released 2026-09-30
textvisionvideo
Quality
Benchmark matrix
0 shared · 9 only Claude Opus 5.5 · 4 only Gemini 4 Argon| Benchmark | Claude Opus 5.5 | Gemini 4 Argon | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only Claude Opus 5.5 reports · 9 | ||||
| AutomationBench 1.0.6 | 40% ↗ | not reported | — | — |
| Chartography (with tools) | 89% ↗ | not reported | — | — |
| CursorBench 4.0 | 57.8% ↗ | not reported | — | — |
| FrontierCode v1.1 (Main) | 54.4% ↗ | not reported | — | — |
| GDPval-AA v2.1 | 1846 ↗ | not reported | — | — |
| Humanity's Last Exam (with tools) | 67.7% ↗ | not reported | — | — |
| OSWorld 2.0 (partial) | 81.8% ↗ | not reported | — | — |
| Terminal-Bench 4.0 | 66.4% ↗ | not reported | — | — |
| Terminal-Bench Science 0.1 | 58.7% ↗ | not reported | — | — |
| Only Gemini 4 Argon reports · 4 | ||||
| AutomationBench | not reported | 51.3% ↗ | — | — |
| CWE-bench v1 | not reported | 68% ↗ | — | — |
| DeepSWE v1.1 | not reported | 77.9% ↗ | — | — |
| LVBench | not reported | 91.7% ↗ | — | — |
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 Claude Opus 5.5 minus Gemini 4 Argon 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 | Claude Opus 5.5 | Gemini 4 Argon | Edge |
|---|---|---|---|
| Context window | 1M tokens | — | — |
| Max output | 128K tokens | 1M tokens | Gemini 4 Argon |
| Input price / 1M | $4 ↗ | $2 ↗ | Gemini 4 Argon |
| Output price / 1M | $20 ↗ | $10 ↗ | Gemini 4 Argon |
| Cached input / 1M | $0.2 ↗ | $0.1 ↗ | Gemini 4 Argon |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $24 | $12 | Gemini 4 Argon |
| Modalities | text · vision | text · vision · video | Gemini 4 Argon |
| Released | 2026-09-22 | 2026-09-30 | — |
| Cited benchmark scores | 9 | 4 | — |
Reliability
Provider status
Live from /statusMore matchups
Claude Opus 5.5 vs …
Models sharing the most benchmarksMore matchups
Gemini 4 Argon vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Claude Opus 5.5 and Gemini 4 Argon on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.