Gemini 4 Argon
Gemini 4 Argon costs $2.00 per 1M input tokens and $10 per 1M output tokens. Its context window is 1,048,576 tokens. Google lists a new price for Gemini 4 Argon from Dec 1, 2026: $4.00 in and $20 out. Gemini 4 Argon has no announced retirement. Checked 2026-10-21.
"Our flagship reasoning model with a unified 1M context window and long decodes up to 1M tokens."
Facts
| API model ID | gemini-4-argon | Source |
|---|---|---|
| Vendor | Source | |
| Input price | $2.00 per 1M tokens | Source |
| Output price | $10 per 1M tokens | Source |
| Cached input price | $0.10 per 1M tokens | Source |
| Price from Dec 1, 2026 | $4.00 in, $20 out per 1M tokens | Source |
| Context window | 1,048,576 tokens | Source |
| Max output | 65,536 tokens | Source |
| Inputs | Text, Images, Video, Audio, PDF | Source |
| Released | Not published | Source |
| Knowledge cutoff | Not published | Source |
| Retirement | Active. No retirement date listed. | Source |
The context window is shared by input and output. Output is 65,536 tokens by default and up to 1,048,576 with long decode.
Google lists this price through November 30, 2026. It doubles on December 1, 2026. Implicit caching only, no free tier.
What replaces it, and what it replaces
- Google has not named a replacement.
- For older models that already have shutdown dates, see our AI model retirement dates calendar.
Benchmark scores
Independent scores from Epoch AI, which scores every vendor's models the same way. The rank compares Gemini 4 Argon with the other models on our AI models page.
| Benchmark | Gemini 4 Argon |
|---|---|
| Epoch Capabilities Index One score that combines many benchmarks, such as math, science, and coding tests, into a single scale. Epoch sets Claude 3.5 Sonnet at 130 and GPT-5 at 150. | 166.45 Rank 5 of 17 models here |
| GPQA Diamond 198 hard multiple-choice questions in biology, chemistry, and physics, written by PhD-level experts. Guessing scores 25%. We show the highest score for each model across the reasoning settings Epoch ran. | 96.4% Rank 1 of 16 models here |
Scores are Epoch AI's, not ours. Source: Epoch AI, Capabilities and benchmarking, from its public data download, checked 2026-10-21. Used under CC BY 4.0. We drew the charts. A benchmark is one test, so run your own inputs before you choose.
What it costs for your workload
At 10,000 requests a month of 5,000 input and 500 output tokens, Gemini 4 Argon costs about $150 a month. Change the numbers to match yours.
Monthly cost estimate
Example sizes are our round numbers. Set your own below.
Gemini 4 Argon $150 a month
$15 per 1,000 requests
List prices checked 2026-10-21, standard tier, no caching, no batch discount. Claude 4.7 and later count about 30% more tokens for the same text, so their rows include that. Long-prompt prices apply where the vendor sets them.
Compare it
- Claude Opus 5.5 vs Gemini 4 Argon
- GPT-6.1 Sol vs Gemini 4 Argon
- Compare Gemini 4 Argon with any other model
- Not sure which model fits the job? The AI model picker gives you three to test.
Questions clients ask
Short answers, no sales language. If yours isn't here, ask an engineer directly.
Ask us anythingHow much does Gemini 4 Argon cost?
$2.00 per 1M input tokens and $10 per 1M output tokens at list price. At 10,000 requests a month of 5,000 input and 500 output tokens, that is about $150 a month. Google lists $4.00 in and $20 out from Dec 1, 2026. Checked 2026-10-21.
What is the context window of Gemini 4 Argon?
1,048,576 tokens, with up to 65,536 output tokens per request.
When will Gemini 4 Argon be retired?
No retirement is announced on Google's deprecation page as of 2026-10-21.
Can Gemini 4 Argon read images or PDFs?
Google lists these inputs: text, images, video, audio, pdf.
Building on Gemini 4 Argon?
We add models to products and test them on your real inputs. We bill hourly or by milestone.