Compare / head-to-head
Gemini 4 Argonvs
GPT-6 Luna
Gemini 4 Argon leads 1 of 1 shared benchmark. GPT-6 Luna is 20x cheaper per token.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 0
Gemini 4 Argon leads
Cheaper per token
GPT-6 Luna
20x cheaper, input + output
Larger context
—
unknown
Providers
2 providers
Google · OpenAI
Gemini 4 Argon
Google · released 2026-09-30
textvisionvideo
GPT-6 Luna
OpenAI · released 2026-09-22
textvision
Quality
Benchmark matrix
1 shared · 3 only Gemini 4 Argon · 0 only GPT-6 Luna| Benchmark | Gemini 4 Argon | GPT-6 Luna | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| DeepSWE v1.1 | 77.9% ↗ | 66.6% ↗ | +11.3 pt | Gemini 4 Argon |
| Only Gemini 4 Argon reports · 3 | ||||
| AutomationBench | 51.3% ↗ | not reported | — | — |
| CWE-bench v1 | 68% ↗ | not reported | — | — |
| LVBench | 91.7% ↗ | not reported | — | — |
| Only GPT-6 Luna reports · 0 | ||||
| GPT-6 Luna reports nothing Gemini 4 Argon does not. | ||||
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 GPT-6 Luna 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 | GPT-6 Luna | Edge |
|---|---|---|---|
| Context window | — | 1.1M tokens | — |
| Max output | 1M tokens | 128K tokens | Gemini 4 Argon |
| Input price / 1M | $2 ↗ | $0.1 ↗ | GPT-6 Luna |
| Output price / 1M | $10 ↗ | $0.5 ↗ | GPT-6 Luna |
| Cached input / 1M | $0.1 ↗ | $0.01 ↗ | GPT-6 Luna |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $12 | $0.6 | GPT-6 Luna |
| Modalities | text · vision · video | text · vision | Gemini 4 Argon |
| Released | 2026-09-30 | 2026-09-22 | — |
| Cited benchmark scores | 4 | 1 | — |
Reliability
Provider status
Live from /statusMore matchups
Gemini 4 Argon vs …
Models sharing the most benchmarksMore matchups
GPT-6 Luna 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 GPT-6 Luna on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.