Model comparison - Similar price, same tier
Gemini 4 Argon vs GPT-6.1 Sol
Gemini 4 Argon is from Google and GPT-6.1 Sol is from OpenAI. Both list the same first-party API price: $2 per 1M input tokens and $10 per 1M output tokens. Gemini 4 Argon has a 1,048,576-token context window and GPT-6.1 Sol 1,050,000 tokens; max output is 65,536 and 128,000 tokens per response. Gemini 4 Argon was released on October 13, 2026 and GPT-6.1 Sol on September 29, 2026. Both are closed-weights models, available only through an API.
Last verified from each provider's pricing page. All sources
Side-by-side specs
| Spec | Gemini 4 Argon | GPT-6.1 Sol |
|---|---|---|
| Provider | OpenAI | |
| Input / 1M tokens | $2 | $2 |
| Output / 1M tokens | $10 | $10 |
| Cache read / 1M | $0.10 | $0.10 |
| Cache write / 1M | - | $2.50 |
| Batch input / 1M | $1 | $1 |
| Batch output / 1M | $5 | $5 |
| Long-context rates above | - | 272,000 tokens |
| Context window | 1,048,576 | 1,050,000 |
| Max output | 65,536 | 128,000 |
| Release date | ||
| Weights | Closed | Closed |
| API model id | gemini-4-argon | gpt-6.1-sol |
| AI Gateway id | google/gemini-4-argon | openai/gpt-6.1-sol |
| Last verified |
Prices in USD per 1M tokens at each provider's standard first-party rate. A dash means the provider does not bill that item separately or no primary page states it.
What each costs in practice
The same three workloads every model page uses, worked from each model's standard list rates. Swap in your own token counts with the math on each model's page.
| Workload | Gemini 4 Argon | GPT-6.1 Sol |
|---|---|---|
| One agent session1M input tokens and 100K output tokens, no caching. | $3.00 | $3.00 |
| A chat app10,000 requests a day at 2K input and 500 output tokens each. | $90.00$2,700.00 per 30-day month | $90.00$2,700.00 per 30-day month |
| The same session at a 90% cache hit90% of the input is read from the prompt cache. The one-time cache write premium is not included. | $1.29 | $1.29 |
Show the math
Gemini 4 Argon
- One agent sessionInput: 1M x $2 = $2.00Output: 0.1M x $10 = $1.00
- A chat appInput: 20M x $2 = $40.00Output: 5M x $10 = $50.00
- The same session at a 90% cache hitCached input: 0.9M x $0.10 = $0.09Uncached input: 0.1M x $2 = $0.20Output: 0.1M x $10 = $1.00
GPT-6.1 Sol
- One agent sessionInput: 1M x $2 = $2.00Output: 0.1M x $10 = $1.00
- A chat appInput: 20M x $2 = $40.00Output: 5M x $10 = $50.00
- The same session at a 90% cache hitCached input: 0.9M x $0.10 = $0.09Uncached input: 0.1M x $2 = $0.20Output: 0.1M x $10 = $1.00
Benchmarks under the same setting
Only boards that list both models under the same run setting appear here, one row per board and setting, with each score exactly as the board shows it. Scores on different boards use different scales and are never combined.
| Board and setting | Gemini 4 Argon | GPT-6.1 Sol |
|---|---|---|
| ARC-AGI-2reasoning level: HighOfficial leaderboard - arcprize.org | 91.3% | 91.7% |
| ARC-AGI-3Provider Adapter harness; reasoning level: LowOfficial leaderboard - arcprize.org | 97.5% | 82.8% |
| ARC-AGI-3Provider Adapter harness; reasoning level: HighOfficial leaderboard - arcprize.org | 97.3% | 95.0% |
| ARC-AGI-3Provider Adapter harness; reasoning level: MediumOfficial leaderboard - arcprize.org | 97.3% | 91.0% |
| Artificial Analysis Intelligence IndexIntelligence Index v4.3.2 (10 evaluations); reasoning effort: highOfficial leaderboard - artificialanalysis.ai | 53 | 50 |
| LMArena Text (Text Arena Overall)Text Arena Overall, default leaderboard view (8,834,211 votes, 416 models)Official leaderboard - arena.ai | 1524±9 (Preliminary) | 1484±8 |
| LMArena WebDev (Code Arena WebDev Overall)Code Arena WebDev Overall, default leaderboard view (891,922 votes, 145 models)Official leaderboard - arena.ai | 1678+15/-15 (Preliminary) | 1755+13/-13 |
Set them up in your tools
Step-by-step guides whose official docs list Gemini 4 Argon or GPT-6.1 Sol by model id.
- Use Gemini in ClineLists Gemini 4 Argon
- Use Gemini in ContinueLists Gemini 4 Argon
- Use Gemini in CursorLists Gemini 4 Argon
- Use Gemini in GooseLists Gemini 4 Argon
- Use Gemini in Kilo CodeLists Gemini 4 Argon
- Use Gemini in OpenCodeLists Gemini 4 Argon
- Use Gemini in ZedLists Gemini 4 Argon
- Use OpenAI in AiderLists GPT-6.1 Sol
- Use OpenAI in ClineLists GPT-6.1 Sol
- Use OpenAI in Codex CLILists GPT-6.1 Sol
- Use OpenAI in ContinueLists GPT-6.1 Sol
- Use OpenAI in GooseLists GPT-6.1 Sol
- Use OpenAI in OpenCodeLists GPT-6.1 Sol
- Use OpenAI in Roo CodeLists GPT-6.1 Sol
- Use OpenAI in ZedLists GPT-6.1 Sol
Model pages
FAQ
How do Gemini 4 Argon and GPT-6.1 Sol compare on price?
Both list the same first-party API price: $2 per 1M input tokens and $10 per 1M output tokens. For one agent session of 1M input and 100K output tokens with no caching, that is $3.00 on Gemini 4 Argon and $3.00 on GPT-6.1 Sol. Prices are each provider's first-party list rates, verified October 17, 2026 and October 17, 2026.
What are the context windows of Gemini 4 Argon and GPT-6.1 Sol?
Gemini 4 Argon has a 1,048,576-token context window and GPT-6.1 Sol 1,050,000 tokens; max output is 65,536 and 128,000 tokens per response.
Are Gemini 4 Argon and GPT-6.1 Sol open weights?
Gemini 4 Argon is closed-weights and is called through Google's API as gemini-4-argon. GPT-6.1 Sol is closed-weights and is called through OpenAI's API as gpt-6.1-sol.
More comparisons
- Claude Sonnet 5.5 vs Gemini 4 ArgonSimilar price, same tier
- Claude Sonnet 5.5 vs GPT-6.1 SolSimilar price, same tier
- Claude Opus 5.5 vs Gemini 4 ArgonSimilar price, same tier
- Claude Opus 5.5 vs GPT-6.1 SolSimilar price, same tier
- Gemini 4 Argon vs Grok 4.7Similar price, same tier
- GPT-6.1 Sol vs GPT-6 SolSame provider, successor
- Gemini 4 Argon vs GLM-5.3Open weights vs closed
- GPT-6.1 Sol vs Grok 4.7Similar price, same tier
Sources
Gemini 4 Argon verified from ai.google.dev; GPT-6.1 Sol verified from developers.openai.com. This page is as current as the older of the two: .
- https://ai.google.dev/gemini-api/docs/pricing
- https://developers.openai.com/api/docs/pricing
- https://ai.google.dev/gemini-api/docs/models/gemini-4-argon
- https://ai.google.dev/gemini-api/docs/latest-model
- https://ai.google.dev/gemini-api/docs/changelog
- https://ai.google.dev/gemini-api/docs/models
- https://developers.openai.com/api/docs/models/gpt-6.1-sol
- https://developers.openai.com/api/docs/changelog
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