Google Gemini and Gemma
Gemini 4 Argon
$4.00 / 1M tokens
cheapest at Google Gemini API · $2.00 in · $10.00 out
Wins 3 of 4
Head to head · prices updated Nov 1, 2026
GPT-6 Astra costs 5.0× as much as Gemini 4 Argon at their cheapest providers (blended 3 input : 1 output tokens).
Google Gemini and Gemma
$4.00 / 1M tokens
cheapest at Google Gemini API · $2.00 in · $10.00 out
Wins 3 of 4
OpenAI
$20.00 / 1M tokens
cheapest at OpenAI · $10.00 in · $50.00 out
Wins 1 of 4
Verdict
GPT-6 Astra costs 5.0× as much as Gemini 4 Argon at their cheapest providers (blended 3 input : 1 output tokens).
Gemini 4 Argon scores higher on GPQA Diamond: 96.4% (high reasoning) vs 95.8% (max reasoning).
Gemini 4 Argon wins on both price and accuracy here.
Gemini 4 Argon accepts longer prompts (1049K vs 922K tokens).
Your monthly bill
Gemini 4 Argon saves you $160.00 a month ($1,920.00 a year) for this workload.
| Gemini 4 Argon | GPT-6 Astra | |
|---|---|---|
| Cheapest blended price / 1M | $4.00 | $20.00 |
| Input / output per 1M | $2.00 / $10.00 | $10.00 / $50.00 |
| Accuracy (GPQA Diamond) | 96.4% (high reasoning) | 95.8% (max reasoning) |
| Max context | 1M | 922K |
| Providers we track | 2 | 3 |
Standard list prices at each model's cheapest provider we track; blended = 3 input : 1 output tokens. GPQA Diamond from Epoch AI (CC BY 4.0), best measured reasoning setting, named next to each score. Methodology.
GPT-6 Astra costs 5.0× as much as Gemini 4 Argon at their cheapest providers (blended 3 input : 1 output tokens).
On GPQA Diamond (graduate-level science questions, measured by Epoch AI) Gemini 4 Argon scores 96.4% (high reasoning) and GPT-6 Astra 95.8% (max reasoning). One benchmark is not the whole picture; test both on your own prompts.
From $2.00 input and $10.00 output per 1M tokens at Google Gemini API, the cheapest of 2 providers we track.
From $10.00 input and $50.00 output per 1M tokens at OpenAI, the cheapest of 3 providers we track.
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