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GPT-4 Turbo vs Grok 3 Mini

Compare pricing, context windows, and strengths for GPT-4 Turbo by OpenAI and Grok 3 Mini by xAI - and see how to put either to work in Appaca.

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GPT-4 Turbo

Older high-intelligence GPT-4 generation model offering strong reasoning and image input support, now superseded by newer 4o-based models.

View GPT-4 Turbo
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Grok 3 Mini

A lightweight reasoning model that is fast, efficient, and ideal for logic-heavy tasks without deep domain requirements.

View Grok 3 Mini

GPT-4 Turbo vs Grok 3 Mini at a glance

Specs and pricing side by side, from the Appaca AI models directory.

Spec GPT-4 Turbo Grok 3 Mini
Provider OpenAI xAI
Model type Text Text
Context window 128K tokens 131.1K tokens
Input price $10 / 1M tokens $0.3 / 1M tokens
Output price $30 / 1M tokens $0.5 / 1M tokens
Status Current Current
Key differences

How GPT-4 Turbo and Grok 3 Mini differ

What the numbers mean in practice when choosing between GPT-4 Turbo and Grok 3 Mini.

  • Grok 3 Mini is 97% cheaper on input tokens ($0.3 vs $10 per million), which adds up quickly in document-heavy workloads.

  • Grok 3 Mini is 98% cheaper on output tokens ($0.5 vs $30 per million) - the bigger factor for tools that generate long documents.

  • Context windows are close: GPT-4 Turbo handles 128K tokens and Grok 3 Mini handles 131.1K tokens.

Strengths side by side

Where each model shines, according to benchmarks and provider positioning.

GPT-4 Turbo

1. Strong reasoning for its generation

  • Next-gen version of GPT-4 designed to be cheaper and faster than the original.
  • Good for analytical tasks, structured writing, coding guidance, and multi-step reasoning.

2. Image input support

  • Accepts images and provides text-only outputs.
  • Useful for OCR, visual Q&A, document extraction, UI analysis, and design interpretation.

3. Stable performance

  • Predictable model behavior suitable for legacy systems still built on GPT-4.
  • Works reliably for established pipelines and enterprise workloads.

4. Large 128K context window

  • Handles long documents, multi-file inputs, or extended conversational sessions.
  • Allows complex prompt chaining and large instruction sets.

5. Broad endpoint compatibility

  • Works with Chat Completions, Responses API, Realtime API, Assistants, Batch, Fine-tuning, Embeddings, and more.
  • Supports streaming and function calling.

6. Good choice for cost-controlled GPT-4-class workloads

  • Although older, still useful for teams who want GPT-4-level reasoning without upgrading immediately.
  • A midpoint between legacy GPT-4 and modern GPT-4o/5.1 models.

7. Text-only output simplifies downstream use

  • Ensures deterministic outputs for applications that need reliable text generation.
  • Good for RAG, data pipelines, automation tools, and enterprise systems.

8. Recommended migration path

  • OpenAI now recommends using GPT-4o or GPT-5.1 for improved speed, cost, reasoning, and multimodal capability.
  • GPT-4 Turbo remains available for backward compatibility and stability.

Grok 3 Mini

1. Lightweight but thoughtful reasoning

  • Designed to 'think before responding' with accessible raw thought traces.
  • Excellent for logic puzzles, lightweight reasoning, and systematic tasks.

2. Extremely cost-efficient

  • Only $0.30 per 1M input tokens and $0.50 per 1M output tokens.
  • Cached token support lowers cost to $0.075 per 1M tokens.

3. Fast and responsive

  • Optimized for low-latency applications and high-throughput use cases.
  • Suitable for chatbots, assistants, and automation flows.

4. Supports modern developer features

  • Function calling for tool-augmented workflows.
  • Structured outputs for schema-controlled responses.
  • Integrates cleanly with agents and pipelines.

5. Large 131K context window

  • Can understand and work with long documents, transcripts, or multi-turn sessions.

6. Great for non-domain-heavy tasks

  • Useful for summarization, rewriting, extraction, everyday reasoning, and app logic.
  • Does not require domain expertise to operate effectively.

7. Compatible with enterprise infrastructure

  • Stable rate limits: 480 requests per minute.
  • Same API structure as all Grok 3 models.

8. Optional Live Search support

  • $25 per 1K sources for real-time search augmentation.
Appaca

Use GPT-4 Turbo or Grok 3 Mini - or both

Appaca is the AI workspace for operators. Build internal tools and AI co-workers powered by GPT-4 Turbo or Grok 3 Mini - connected to your real data and ready for your whole team. No code, no deployment.

Describe it, and it's built

Tell the Appaca agent the internal tool you need and it builds a working app powered by GPT-4 Turbo or Grok 3 Mini. No code, no API keys, no deployment.

Switch models without rebuilding

Start on GPT-4 Turbo, test the same tool on Grok 3 Mini, and keep whichever performs better - the rest of your app stays exactly as it is.

Automated for the whole team

Schedule tools to run on autopilot - daily digests, weekly reports, real-time triggers - and share them with your whole team from one workspace.

Describe it, and it's built

Tell the Appaca agent what your team needs and it builds a working app powered by GPT-4 Turbo or Grok 3 Mini - connected to the tools you already use.

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FAQs

Is GPT-4 Turbo cheaper than Grok 3 Mini?

Grok 3 Mini is generally cheaper: $0.3 input / $0.5 output per million tokens, versus $10 / $30 for GPT-4 Turbo. Actual cost depends on how many tokens your workload reads and writes.

Which has the larger context window, GPT-4 Turbo or Grok 3 Mini?

Grok 3 Mini has the larger context window at 131.1K tokens, compared to 128K tokens for GPT-4 Turbo. A larger window means the model can consider more text at once - useful for long contracts, codebases, or months of records.

Should I use GPT-4 Turbo or Grok 3 Mini?

It depends on the job. Compare the pricing, context window, and strengths above against your workload - and remember the choice isn't permanent. In Appaca you can build a tool on GPT-4 Turbo, test the same tool on Grok 3 Mini, and switch at any time without rebuilding anything.

Can I use GPT-4 Turbo and Grok 3 Mini without writing code?

Yes. Appaca is a no-code AI workspace: describe the internal tool your team needs and the Appaca agent builds it as a working app powered by GPT-4 Turbo, Grok 3 Mini, or any other model in the directory - with a built-in database, team access, and integrations. No API keys to wire up and nothing to deploy.

Build AI tools with GPT-4 Turbo or Grok 3 Mini

Describe the tool your team needs and get a working app powered by the model you choose - with a built-in database, team access, and integrations. No code, no deployment.