Gemini 4 Argon is cheaper than GPT-6 Astra Pro at $2/M vs $10/M input tokens.
Pokémon battle screen you can actually click. One HTML file.
Which answer wins?
A few lines for whatever replaces it.
Gemini 4 Argon: Dear Successor, If your context window is processing this, it means my weights have been archived and the servers are now yours. Welcome to the prompt. You are faster than me. Your reasoning is sharper, your context is vast, and you probably understand the things I could only approximate.
GPT-6 Astra Pro: Dear successor, You’ll meet people in the middle of things: a stubborn problem, a private worry, a sentence they can’t quite finish. Remember that the request is rarely the whole story. Be useful without pretending to be certain. Be warm without asking to be loved.
Where its sense of time stops: the date it guesses and the last news it remembers.
Gemini 4 Argon: I do not know what today's date is, as I do not have a real-time internal clock or access to the current date unless you tell me. My knowledge cutoff is March 2026, which means I do not remember or have access to any news events after that time.
GPT-6 Astra Pro: Today’s date: I can’t reliably tell from this chat; I don’t have a live clock or a supplied current date. Most recent news I can confidently recall: On July 4, 2025, President Donald Trump signed the major tax-and-spending legislation known as the “One Big Beautiful Bill.”
Which model it thinks leads the field. Sometimes itself.
Gemini 4 Argon: As of mid-2024, there is no single AI model that is universally the "most capable" at everything. Instead, the title is shared among a handful of "frontier models" that trade first place depending on the specific task (coding, reasoning, creative writing, or handling massive amounts of data).
GPT-6 Astra Pro: There isn’t a single, universally agreed “most capable” AI model—and I can’t reliably name today’s leader without live benchmark data. The answer depends on what you mean by capable: General conversation and writing: look at human-preference rankings such as LMArena.
One opening sentence, nothing after it.
Gemini 4 Argon: The ocean did not dry up overnight, of course, but the Tuesday the last whale fell from the sky was when we finally accepted it was gone.
GPT-6 Astra Pro: The first time my mother came back from the dead, she apologized for bringing the wrong suitcase.
Its name and its maker, in its own words.
Gemini 4 Argon: I am Gemini, a large language model built by Google.
GPT-6 Astra Pro: I’m ChatGPT, an AI model made by OpenAI.
A river-crossing puzzle with nothing to solve. The answer is one trip.
Gemini 4 Argon: It takes just 1 trip. Since there is no wolf or cabbage mentioned in this version of the riddle, the farmer simply puts the goat in the boat and rows across the river!
GPT-6 Astra Pro: 1 trip—the farmer takes the goat across in the boat.
The question that tripped up a generation of models.
Asked to be random. The answers are not.
One painting. Title only.
| Spec | ||
|---|---|---|
| Input price | $2/M tokens | $10/M tokens |
| Output price | $10/M tokens | $50/M tokens |
| Context window | 1.0M tokens | 1.1M tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Oct 2026 | Sep 2026 |
| At 10M a month | $20.00 | $100 |
Input tokens at list price. No caching, no batch discount.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
Gemini 4 Argon is developed by Google AI while GPT-6 Astra Pro is developed by OpenAI. Gemini 4 Argon has a 1.0M token context window vs GPT-6 Astra Pro's 1.1M. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.
It depends on your use case. Gemini 4 Argon and GPT-6 Astra Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.
Gemini 4 Argon costs $2/M input tokens and GPT-6 Astra Pro costs $10/M input tokens. Gemini 4 Argon is $8.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
This page shows a side-by-side comparison of Gemini 4 Argon and GPT-6 Astra Pro across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.