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OpenAI

GPT 4 Turbo

Legacy$$$$Top-tier
OpenAI#68 of 92
CompareChat

GPT-4 Turbo with vision capabilities and improved performance. Supports JSON mode and function calling for vision requests. Training data up to December 2023. Superseded by GPT-4o and GPT-4.1.

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GPT 4 Turbo by OpenAI has a Capability Index of 61.4, making it below the field average in capability. It ranks #68 out of 92 models on the idapt capability leaderboard. GPT 4 Turbo is very affordable at $10.00/M tokens input and $30.00/M tokens output. The model supports vision/image input, a 128K context window.

Best forFrontier reasoningVision tasks
Replaced by
OpenAIGPT 4.1
See the full deprecation timeline

Benchmarks

CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10

Category Rankings

Capability
#68of 92
Math
#55of 70
Reasoning
#66of 78

Specifications

Vision
Audio
Reasoning
128K
Context
4K
Max output

Performance

Providers

Misc

April 9, 2024
Released
Same family
OpenAIGPT 4
CompareChat with GPT 4 Turbo

Compare with

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Frequently Asked Questions about GPT 4 Turbo▼

When was GPT 4 Turbo released?

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GPT 4 Turbo was released on April 9, 2024.

Who created GPT 4 Turbo?

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GPT 4 Turbo was created by OpenAI.

How capable is GPT 4 Turbo?

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GPT 4 Turbo has a Capability Index of 61.4/100, making it below the field average in capability. It ranks #68 out of 92 models.

How much does GPT 4 Turbo cost?

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GPT 4 Turbo costs $10.00/M input tokens and $30.00/M output tokens.

What is GPT 4 Turbo API pricing?

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The GPT 4 Turbo API is priced at $10.00 per million input tokens and $30.00 per million output tokens. You can access GPT 4 Turbo through idapt.app alongside 200+ other AI models in one workspace.

Is GPT 4 Turbo a reasoning model?

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No, GPT 4 Turbo is not a reasoning model. It responds directly without an extended internal thinking step. For tasks requiring deep chain-of-thought reasoning, consider models like Claude, o-series from OpenAI, or Gemini Thinking.

Does GPT 4 Turbo support image or vision input?

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Yes, GPT 4 Turbo supports vision/image input. You can share images in your conversation and the model will analyze and respond based on their content.

Does GPT 4 Turbo support audio?

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No, GPT 4 Turbo does not support audio input.

What is the context window of GPT 4 Turbo?

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GPT 4 Turbo has a context window of 128K tokens, meaning it can process approximately 96,000 words of context at once.

Is GPT 4 Turbo open source?

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GPT 4 Turbo is a proprietary model developed by OpenAI. The model weights and training data are not publicly available.

What is GPT 4 Turbo good at?

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Based on benchmark data, GPT 4 Turbo excels at: visual analysis and image understanding. It is OpenAI's capable model suitable for a wide range of tasks.

Where can I use GPT 4 Turbo?

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You can chat with GPT 4 Turbo on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access GPT 4 Turbo through OpenAI's own API or platform.

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