Comparison
Gemini vs Grok
In our test runs on October 15, 2026, the same 50 prompts across 10 jobs: Gemini's 3 models passed 142 of 150 replies and Grok's one model passed 47 of 50 replies. On llmwise Pro, Gemini 3.1 Pro (preview) up to 125 messages a month and Grok 4.7 up to 250.
Based on 200 of our test runs on , through OpenRouter with the app's own prompt and settings. Updated .
Short answer
Job by job, both families' best models shared the top result on 8 of the 10 jobs; Gemini's alone had it on writing and customer support.
Gemini vs Grok, job by job
On each job, Gemini's pick against Grok's: the model of each family that passed the most of the job's 5 prompts (then the most hard ones, then the cheaper). The jobs where they differ most come first.
Writing: Gemini 3.1 Pro (preview) passed 4 of 5 and Grok 4.7 3 of 5. Grok 4.7 answered 1.5× sooner at the median, 9.1 s against 6.0 s. Grok 4.7 cost 1.6× less, $0.0459 against $0.0288 for the 5 replies. Gemini 3.1 Pro (preview)'s replies ran 13% longer, in tokens of reply, thinking not counted.
Customer support: Gemini 3.1 Pro (preview) passed 5 of 5 and Grok 4.7 4 of 5. Gemini 3.1 Pro (preview) answered 1.3× sooner at the median, 8.7 s against 11.6 s. Grok 4.7 cost 1.7× less, $0.0529 against $0.0306 for the 5 replies. Gemini 3.1 Pro (preview)'s replies ran 23% longer, in tokens of reply, thinking not counted.
Coding: Gemini 3.8 Flash passed 5 of 5 and Grok 4.7 5 of 5. Gemini 3.8 Flash answered 7.5× sooner at the median, 4.2 s against 31.6 s. Gemini 3.8 Flash cost 12.6× less, $0.0098 against $0.1229 for the 5 replies. Gemini 3.8 Flash's replies ran 43% longer, in tokens of reply, thinking not counted.
Math: Gemini 3.8 Flash passed 5 of 5 and Grok 4.7 5 of 5. Gemini 3.8 Flash answered 2.5× sooner at the median, 4.7 s against 11.7 s. Gemini 3.8 Flash cost 5.1× less, $0.0071 against $0.0362 for the 5 replies. Gemini 3.8 Flash's replies ran 17% longer, in tokens of reply, thinking not counted.
Summarization: Gemini 3.8 Flash passed 5 of 5 and Grok 4.7 5 of 5. Grok 4.7 answered 1.3× sooner at the median, 3.7 s against 2.8 s. Gemini 3.8 Flash cost 3.7× less, $0.0038 against $0.0141 for the 5 replies. Gemini 3.8 Flash's replies ran 11% longer, in tokens of reply, thinking not counted.
Data analysis: Gemini 3.1 Pro (preview) passed 5 of 5 and Grok 4.7 5 of 5. Their median waits were close, 8.6 s against 8.9 s. Grok 4.7 cost 1.4× less, $0.0773 against $0.0556 for the 5 replies. Gemini 3.1 Pro (preview)'s replies ran 168% longer, in tokens of reply, thinking not counted.
Translation: Gemini 3.8 Flash passed 5 of 5 and Grok 4.7 5 of 5. Gemini 3.8 Flash answered 3.6× sooner at the median, 3.0 s against 10.7 s. Gemini 3.8 Flash cost 11.0× less, $0.0037 against $0.0410 for the 5 replies. Gemini 3.8 Flash's replies ran 16% longer, in tokens of reply, thinking not counted.
SQL: Gemini 3.8 Flash passed 5 of 5 and Grok 4.7 5 of 5. Grok 4.7 answered 1.2× sooner at the median, 3.7 s against 3.0 s. Gemini 3.8 Flash cost 6.5× less, $0.0037 against $0.0240 for the 5 replies. Gemini 3.8 Flash's replies ran 27% longer, in tokens of reply, thinking not counted.
RAG and answering from documents: Gemini 3.8 Flash passed 5 of 5 and Grok 4.7 5 of 5. Grok 4.7 answered 1.6× sooner at the median, 3.1 s against 1.9 s. Gemini 3.8 Flash cost 4.4× less, $0.0033 against $0.0146 for the 5 replies. Gemini 3.8 Flash's replies ran 74% longer, in tokens of reply, thinking not counted.
Agents and tool use: Gemini 3.8 Flash passed 5 of 5 and Grok 4.7 5 of 5. Gemini 3.8 Flash answered 1.2× sooner at the median, 4.4 s against 5.2 s. Gemini 3.8 Flash cost 4.5× less, $0.0043 against $0.0197 for the 5 replies. Their replies ran to about the same length.
The 2 prompts only one of Gemini and Grok passed
Where one family's pick passed a prompt and the other's didn't, in each check's own words.
Rewrite corporate jargon in plain words (writing): Gemini 3.1 Pro (preview) passed and Grok 4.7 didn't. Gemini 3.1 Pro (preview): Graded 4.0 of 5 on average (lowest 3). Grok 4.7: Graded 3.7 of 5 on average (lowest 3).
A frustrated customer (customer support): Gemini 3.1 Pro (preview) passed and Grok 4.7 didn't. Gemini 3.1 Pro (preview): Graded 4.0 of 5 on average (lowest 3). Grok 4.7: Graded 3.7 of 5 on average (lowest 3).
Each Gemini model against each Grok model
Every Gemini model against every Grok model on the same 50 prompts: each one's passes, how many prompts split them, and who was cheaper and quicker.
Gemini 4 Argon vs Grok 4.7: 47 and 47 of 50; 2 prompts split them; Gemini 4 Argon's replies cost 4.9× less in all, and Gemini 4 Argon answered sooner on 30, Grok 4.7 on 14.
Gemini 3.1 Pro vs Grok 4.7: 49 and 47 of 50; 2 prompts split them; Grok 4.7's replies cost 1.4× less in all, and Grok 4.7 answered sooner on 25, Gemini 3.1 Pro on 22. Gemini 3.1 Pro (preview) vs Grok 4.7.
Gemini 3.8 Flash vs Grok 4.7: 46 and 47 of 50; 3 prompts split them; Gemini 3.8 Flash's replies cost 6.0× less in all, and Gemini 3.8 Flash answered sooner on 33, Grok 4.7 on 14. Gemini 3.8 Flash vs Grok 4.7.
One writing prompt, both replies
Gemini 3.1 Pro (preview) and Grok 4.7 on a writing prompt, the job where they differed most: both replies as they came.
An everyday prompt: “Rewrite corporate jargon in plain words”, in full.
Gemini 3.1 Pro
Passed: Graded 4.0 of 5 on average (lowest 3).
In Q3, our teams worked together to adopt a more customer-focused approach. For our business clients, this resulted in a 12% increase in customer retention and a 0.30% (30 basis points) decrease in the rate of customers leaving. Additionally, we adjusted our various customer communication channels to make more efficient use of our time and resources.
447 tokens in, 763 out (687 of them reasoning) · 8.8 s · $0.0101 · 1 message on Pro · answered by google/gemini-3.1-pro-preview via Google ·
Grok 4.7
Failed: Graded 3.7 of 5 on average (lowest 3).
In the third quarter, teams from different parts of the company worked together to put a customer-focused approach into practice. Retention measures rose 12%, and the rate of customer loss fell by 30 basis points among enterprise customers. Contact points across all channels were also resized to use capacity more efficiently.
1,658 tokens in, 1,603 out (1,543 of them reasoning) · 20.0 s · $0.0112 · 1 message on Pro · answered by x-ai/grok-4.7 via xAI ·
Every model, every job
All 4 Gemini and Grok models in llmwise across the 50 prompts, with what a reply cost to run and each model's count on Pro.
| Model | Passed | Hard ones | Cost per reply | On Pro |
|---|---|---|---|---|
| Gemini 4 ArgonGoogle | 47 of 50 | 19 of 20 | $0.0016 | Up to 62 a month |
| Gemini 3.1 Pro (preview)Google | 49 of 50 | 19 of 20 | $0.0107 | Up to 125 a month |
| Gemini 3.8 FlashGoogle | 46 of 50 | 18 of 20 | $0.0013 | Up to 250 a month |
| Grok 4.7xAI | 47 of 50 | 19 of 20 | $0.0077 | Up to 250 a month |
Passed: replies that passed their check, of those scored. Cost: what OpenRouter charged us per reply, on average; in llmwise you pay per message, not per token. Every prompt and how it's scored.
Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: Plus $3.75, Pro $7.50, Max $20, Ultra $42, Studio $85. Using every message on your plan at typical sizes stays under it; very large messages and heavy research use it faster. Every limit, explained.
Their own subscriptions
Each company's own plan at about llmwise Pro's price ($20 a month), in its own words, dated. We drop a plan here when its facts are more than 45 days old.
Google AI Pro (Google), $19.99 a month
Models it names: Gemini 3.1 Pro. On its limits: “AI Pro: 4x higher than standard limits” Google AI Pro vs llmwise.
Checked : Google One: Google AI plans and Gemini Apps Help: limits and upgrades for Google AI subscribers.
SuperGrok (SpaceXAI), $30 a month
Models it names: Grok 4.6. On its limits: “Smarter answers in Expert mode: Access our best model with higher limits” SuperGrok vs llmwise.
Checked : Grok plans.
llmwise Pro, $20 a month, has all 4 of these models in one chat, on one monthly allowance. On it: Gemini 3.1 Pro (preview) up to 125 messages a month and Grok 4.7 up to 250.
The lineups at a glance
What follows from each model's facts in our catalog.
The lineups
Gemini: 3 models, Gemini 4 Argon, Gemini 3.1 Pro (preview), and Gemini 3.8 Flash. Grok: one model, Grok 4.7.
Price per message
The least expensive Gemini model is Gemini 3.8 Flash (250 messages a month on Pro); Grok's one model is Grok 4.7 (250 messages a month on Pro).
Context window
Gemini goes up to 1.05M tokens (Gemini 4 Argon); Grok up to 500K tokens (Grok 4.7).
Images and PDFs
Every model here reads images. Every model here takes a PDF as a whole file.
On the Free plan
None of these models is on the Free plan. Paid plans have them all, with messages every month.
Model by model
Two named models side by side, prompt by prompt, each with its messages on every plan.
More head-to-heads
Each of Gemini and Grok against the other families, every job from the same test runs.
Where your messages go
In llmwise, a message to Gemini goes to its maker, Google, or through OpenRouter when llmwise can't reach the maker directly. Grok models are served only through OpenRouter, by endpoints that don't store or train on prompts. The Privacy Policy has the details.
Questions
Which is better, Gemini or Grok?
In our test runs on October 15, 2026, the same 50 prompts across 10 jobs: Gemini's 3 models passed 142 of 150 replies and Grok's one model passed 47 of 50 replies. Job by job, both families' best models shared the top result on 8 of the 10 jobs; Gemini's alone had it on writing and customer support.
Which is cheaper, Gemini or Grok?
In llmwise, the least expensive Gemini model is Gemini 3.8 Flash (250 messages a month on Pro), and the least expensive Grok model is Grok 4.7 (250 messages a month on Pro). At API list prices (October 2026), a typical message of 4,000 tokens in and 700 out costs $0.0056 on Gemini 3.8 Flash and $0.0122 on Grok 4.7.
Can I use Gemini and Grok in the same chat?
Yes. Pick a model for each message; when you switch, the next model sees the whole conversation, including the other one's answers.
Claude, GPT, Gemini, DeepSeek, Grok, Kimi, GLM, and Mistral, in one chat.
See what a message costs before you send it. Free is 5 messages to try; sign in with an email link, no password or card.