ChatGPT vs Gemini: Which AI Tool Should You Use for Blog Writing?

In this post, I’m going to put Google Gemini and ChatGPT to the ultimate test: blog writing.

So if you’re looking for a DEEP comparison of these two popular Large Language Models (LLMs) for content creation, you’ve come to the right place.

Because in today’s post I’m going to compare ChatGPT vs. Gemini in terms of:

• Content generation capabilities
• Research and factual accuracy
• Tone and style customization
• Integration and accessibility
• Pricing and value
• And lots more

Let’s do this!

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Introducing: The Two Competitors

In the blue corner, we have ChatGPT by OpenAI.

ChatGPT took the world by storm, democratizing access to advanced AI for text generation. It’s renowned for its creative writing, conversational fluency, and ability to generate diverse content formats. While its initial versions were limited by knowledge cut-offs, subsequent iterations and plugin/browsing capabilities have significantly enhanced its real-time information access.

As you’ll soon see, Gemini also boasts powerful content generation, but it’s important to know that ChatGPT pioneered many of the conversational AI capabilities we now take for granted.

In fact, today, you can use ChatGPT to:

• Generate blog post outlines and full articles
• Draft social media captions
• Brainstorm content ideas
• Write code snippets
• And much more

In the red corner, we have Google Gemini by Google AI.

Gemini is Google’s answer to the multimodal AI challenge, designed from the ground up to understand and operate across text, images, audio, and video. While newer to the public, it leverages Google’s vast knowledge base and search capabilities, giving it an edge in factual accuracy and real-time information retrieval.

Which is why it’s even possible to do a ChatGPT vs. Gemini comparison for blog writing. A few years ago, Google’s AI was primarily behind the scenes.

Today, Gemini has a ton of features that make it a direct competitor to ChatGPT, including:

• Advanced reasoning across different data types
• Direct access to Google Search for up-to-date information
• Integration with Google Workspace apps
• Code generation and explanation
• Multi-language capabilities

The bottom line is that ChatGPT and Gemini have similar, yet distinct, feature sets that make them powerful tools for blog writing.

So it’s time to answer the key question: which AI tool is the best overall for content creators?

Let’s get started.

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Which Tool Is Best for Content Generation Capabilities?

First, I decided to see which tool was best for churning out diverse and engaging blog content.

Let’s see who came out on top.

ChatGPT

With ChatGPT, you can generate a wide array of content formats, from creative stories to technical explanations. Its strength lies in its fluency and adaptability in tone and style.

On the surface, this feature is similar to the one in Gemini, with some minor differences.

(For example, they have different underlying architectures that influence how they process and generate text.)

The unique thing about ChatGPT here is its sheer creativity and ability to follow complex prompts for imaginative writing. If you’re looking for unique angles, narrative depth, or out-of-the-box ideas for your blog, ChatGPT often delivers with impressive flair. It excels at:

• Developing engaging intros and conclusions.
• Crafting compelling headlines and subheadings.
• Expanding on bullet points into full paragraphs.
• Adapting content for different audiences.

ChatGPT’s Keyword Overview tool gives you deeper, more actionable insights. By adding a layer of personalization and analytical precision powered by AI, you can better align with your specific SEO goals.

For example, Topical Authority checks how authoritative your domain is on certain topics, helping you pinpoint where you can shine in search rankings.

It analyzes content quality and relevance, helping to predict how well your content will perform in search engine rankings.

Another great metric is Personal Keyword Difficulty (PKD %).

It gives you customized keyword difficulty scores for your domain, making them more relevant to your specific situation. This means you can pick out domain-specific keyword opportunities that easier to rank for.

Also, the Domain Competitive Power metric measures your domain’s ability to rank for specific keywords compared to the competition.

It supports the keyword research process by clearly showing where you stand against competitors and identifying areas where you can potentially dominate.

ChatGPT also has a traditional keyword research tool.

Like most keyword tools, you can see that keyword’s search volume and competition.

And get a list of keyword suggestions based on what you typed in.

What also makes ChatGPT’s keyword research feature unique is you also get data from Google PPC.

So if you’re an in-house SEO or run an agency, you’re probably doing SEO and running Google Ads campaigns at the same time.

And having SEO and PPC data at your fingertips can be SUPER helpful.

Google Gemini

Gemini’s content generation is equally powerful, especially when it comes to structured, informative, and multi-modal content.

What’s unique about Gemini is its inherent multi-modality. While primarily generating text here, its ability to process image or video inputs and then generate related text responses gives it an edge for rich media blog posts. For instance, you can:

• Upload an image and ask Gemini to write a descriptive caption or a paragraph for a blog post.
• Ask it to summarize a YouTube video and then draft a blog post based on that summary.
• Generate different content formats and lengths within the same conversation.

This is important because modern blog writing often goes beyond just text, requiring integration with visual and other media elements. Gemini’s design supports this naturally.

Overall, I have to say that ChatGPT slightly wins this battle for pure text generation creativity and fluency. Ahrefs may have a cleaner overall UI. But Semrush just gives you lots more data (both SEO and PPC), which makes it a more well-rounded keyword tool. However, Gemini’s multi-modal capabilities provide a significant advantage for content that integrates different types of media.

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Which Tool Is Best for Research and Factual Accuracy?

Next, I wanted to see which tool provided the most reliable and up-to-date information for blog content.

Let’s see which tool can find the most backlinks today.

For this mini-test, I used my own blog, Backlinko.com.

Ahrefs found a total of 49K referring domain links. And Semrush found 71.5K.

Referring domain data for backlinko.comSEO ToolTotal Referring Domains

Ahrefs

49K

Semrush

71.5K

And when it comes to total backlinks, Ahrefs found 419K. Semrush found 2.1M.

Backlinks data for backlinko.comSEO ToolTotal Backlinks

Ahrefs

419K

Semrush

2.1M

So based on this tiny case study, Semrush has a larger link index. Which shows that they’re seriously investing in their link index and backlink analysis feature set.

That said, the size of the index is only ONE factor to consider.

For example, the UI also matters…

If you can find everything you need without needing to click a bunch of times, that’s a huge win. Link building is time-consuming enough. You don’t want it to take even longer because your tool is hard to use.

For example, I like the fact that Ahrefs shows you a sneak preview of the text that appears around each backlink.

This makes it easy to see WHY people are linking to a specific page.

Well, as it turns out, Semrush also added this feature to their link index.

However, I personally find Ahrefs easier to use overall for link stuff. It takes fewer clicks to see a page’s best links. The pages that have the most links. And more.

This was another tough one. But I have to say when it comes to backlink features, Semrush and Ahrefs are tied. Semrush’s newly-expanded index is great. And the UI has come a long way. But when I want to analyze a site’s link profile, I find the Ahrefs UI a little easier to use.

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ChatGPT

Older versions of ChatGPT had a significant limitation: a knowledge cut-off date. This meant it couldn’t provide information on recent events or developments, often leading to outdated or “confabulated” (made-up) facts if pushed.

However, with the integration of web browsing capabilities (for paid users) and access to various plugins, ChatGPT has significantly improved its ability to retrieve real-time information. It can now:

• Search the web to answer current questions.
• Cite sources for factual claims (though consistency can vary).
• Synthesize information from multiple online articles.

Despite these improvements, users still need to be diligent in verifying facts, as the accuracy can sometimes depend on the quality of the sources it accesses.

Google Gemini

This is where Gemini truly shines, leveraging Google’s core strength: information retrieval and search. Gemini is designed with direct, real-time access to Google Search, making it inherently more robust for factual accuracy and up-to-date information.

Gemini often:

• Provides more current data and events.
• Cites its sources directly from the web, allowing for easy verification.
• Excels at summarizing research papers, news articles, and complex topics using real-time information.
• Has a built-in “double-check” feature that highlights statements where it found conflicting or no information, making it easier for users to identify potential inaccuracies.

This direct integration with the world’s largest information index gives Gemini a clear advantage for blog writers who prioritize factual accuracy and timeliness in their content.

When it comes to research and factual accuracy, Google Gemini is the clear winner. Its real-time access to Google Search and emphasis on source citation makes it an indispensable tool for informative blog posts.

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Which Tool Is Best for Tone and Style Customization?

The next feature I wanted to look at was the ability to adapt the AI’s output to various brand voices and blog styles.

ChatGPT

ChatGPT is highly praised for its flexibility in adapting to different tones and writing styles. With precise prompts, you can guide it to write:

• Formal, academic content
• Casual, conversational blog posts
• Humorous or witty narratives
• Concise, journalistic reports
• Persuasive marketing copy

Its ability to maintain a consistent persona throughout a longer piece of content, given clear instructions, is impressive. This makes it a versatile tool for bloggers who need to switch between different content types or cater to various audiences.

Google Gemini

Gemini also offers robust control over tone and style. Similar to ChatGPT, you can instruct it to write in various voices. Its strength often lies in its ability to maintain a more consistent and professional tone in longer, more structured outputs, perhaps reflecting Google’s emphasis on authoritative information.

• It can generate blog posts for professional audiences.
• Adapt content to educational or explanatory tones.
• Produce clear and straightforward articles.

While it’s highly capable, some users might find ChatGPT slightly more “playful” or “experimental” when pushed for highly creative or unconventional styles. However, for most blog writing needs, Gemini is more than sufficient in its customization options.

This was another tough one. Both tools provide fantastic support.

In terms of tone and style customization, it’s a tie, with a slight edge to ChatGPT for sheer creative range. Both are highly capable, but ChatGPT might feel a bit more fluid for truly unique or nuanced stylistic requests.

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Which Tool Has Cool Unique Features for Bloggers?

At this point we’ve compared the main features of each tool. Now it’s time to look at some of the unique features that make ChatGPT and Gemini stand out for blog writing.

ChatGPT

ChatGPT has a few cool features that Gemini either doesn’t have or implements differently.

The biggest is its extensive plugin ecosystem (for paid users). These plugins extend ChatGPT’s capabilities far beyond basic text generation, allowing it to:

• Integrate with third-party apps for data analysis, image generation, or research.
• Access specialized databases or tools for niche content.
• Perform complex tasks like generating interactive charts or summarizing large documents directly.

This extensibility makes ChatGPT a hub for various content creation workflows.

Another cool feature is Custom Instructions. This allows you to set preferences that ChatGPT will remember across all your conversations, like your preferred tone, writing style, or whether it should always provide a certain type of output (e.g., always include a call to action). This saves a ton of time by reducing repetitive prompting.

Google Gemini

Gemini’s unique strength lies in its deep integration with the Google ecosystem and its native multimodal capabilities.

• Google Workspace Integration: You can directly interact with Gemini inside Google Docs, Sheets, and Gmail. This is a game-changer for workflow efficiency, allowing you to draft blog posts in Docs, summarize data from Sheets, or compose emails, all within your familiar Google environment.
• Native Multi-modality: As mentioned, its ability to understand and generate content based on various input types (images, videos, even voice) directly makes it incredibly powerful for content creators working with diverse media. You can show it a product image and ask it to write a review or a blog post describing it.
• “Extensions” (similar to plugins): Gemini also has extensions that allow it to access Google Maps, YouTube, Flights, Hotels, and more, further enhancing its real-time utility for travel bloggers or anyone needing specific, current information.

I have to say Gemini is the overall winner in the “cool feature” department for bloggers. While ChatGPT’s plugins are powerful, Gemini’s native integration with Google Workspace and its seamless multimodal capabilities offer a more cohesive and efficient workflow for content creators already embedded in the Google ecosystem.

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Which Tool Is The Best Overall Value?

Now it’s time for the question that’s probably on your mind:

“Which tool is going to give me the most bang for my buck for blog writing?”.

Obviously, this depends A LOT on what’s important to you. And what you work on most.

For example, if you spend most of your day generating highly creative narratives or experimental content, you’ll appreciate ChatGPT’s raw generation power and plugin flexibility.

But if you’re a blogger who prioritizes factual accuracy, real-time data, and works extensively within Google Workspace, you’ll love Gemini’s integrated capabilities.

With that caveat out of the way, here’s how the pricing for each tool breaks down.

ChatGPT pricing is fairly straightforward. It offers a Free tier with basic access and limited usage. The ChatGPT Plus subscription ($20/month) provides access to GPT-4, higher message limits, plugins, and web browsing. An API access allows developers to integrate GPT into their own applications, with pricing based on token usage.

Google Gemini pricing also includes a Free tier for basic access to Gemini Pro. A Google One AI Premium plan ($19.99/month, after a trial) offers access to Gemini Advanced (powered by Ultra 1.0), higher limits, and 2TB of storage. Like ChatGPT, it also offers API access for developers, with pricing based on token usage.

When it comes to pure value, it’s a very close call, but Gemini might slightly edge out ChatGPT. The Google One AI Premium plan not only gives you access to the most advanced Gemini model but also includes significant cloud storage and other Google One benefits, making it a comprehensive package for content creators. However, if your needs are purely for creative text generation and you leverage a specific plugin, ChatGPT Plus offers tremendous value.

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ChatGPT vs. Gemini: And The Winner Is…

I’ve personally used both tools extensively for content creation. I happily pay for access to both because I think they complement each other well.

So to come up with a winner, I took lots of factors into account:

• Content generation capabilities
• Research and factual accuracy
• Tone and style customization
• Integration and accessibility
• Pricing and value
• Unique features
• Overall workflow enhancement for bloggers

But if you had to make me pick ONE tool to use specifically for blog writing, I’d have to go with Google Gemini.

This was a REALLY hard call to make. I honestly think you can’t go wrong with either tool. ChatGPT’s creative spark and plugin ecosystem are phenomenal. However, Gemini’s inherent real-time information access, superior factual grounding, and seamless integration with the Google Workspace environment provide a more robust and efficient end-to-end solution for bloggers who need to research, write, and manage their content effectively. Its multi-modal capabilities are also a clear glimpse into the future of content creation.