Listed in Models
Google's flagship reasoning model, top of LMArena right now. Pricing, the evidence and the alternatives, checked Oct 2026.
Closed model. No public weights; API only.
Google's flagship reasoning model, top of LMArena right now.
Gemini 4 Argon: Google's flagship reasoning model, top of LMArena right now. Best for hard reasoning, coding and long agent runs through the gemini api. Watch out for: launch price doubles on dec 1, 2026 ($4/$20); lmarena rank still preliminary; not on the free tier. Price: $2 in / $10 out per 1M tokens (no free tier, checked Oct 2026).
| Free tier | No free plan |
|---|---|
| Job in a stack | AI model, closed model (API only) |
| Cheapest paid plan | API: $2 in / $10 out per 1M tokens |
| Price checked | 2026-10-15, verified |
Whole scores from 1 to 5, mapped from the source shown. “Not rated” means we found no public benchmark for that job; “not supported” means the model can’t do it. How the bars are scored.
| Plan | Price | Billing | Key limits |
|---|---|---|---|
| API, per 1M tokens | Per token | $2 input / $10 output per 1M tokens; launch price through Nov 30, 2026, then $4 / $20 | Blended about $4.00 per 1M tokens (3 parts input to 1 part output) |
From ai.google.dev/gemini-api/docs/pricing, checked 2026-10-15, verified. Prices are before tax and vendors change them often.
| Type | Source | Result | Date |
|---|---|---|---|
| benchmark | LMArena Text | #1 (gemini-4-argon-high, preliminary) | 2026-10-15 |
| benchmark | LMArena Coding | #1 (gemini-4-argon-high, preliminary) | 2026-10-15 |
| benchmark | LMArena Creative Writing | #2 (gemini-4-argon-high, preliminary) | 2026-10-15 |
| benchmark | Artificial Analysis Intelligence Index | 53 (Gemini 4 Argon (high)) | 2026-10-15 |
Our scores: quality 5/5, ease 3/5, value 3/5. Editorial start 5/3; benchmark adjustment +0.27, rating adjustment +0. How we rank.
No free tier. Cheapest paid plan: $2 in / $10 out per 1M tokens (checked Oct 2026).
Hard reasoning, coding and long agent runs through the Gemini API.
Launch price doubles on Dec 1, 2026 ($4/$20); LMArena rank still preliminary; not on the free tier.