OpenAI: GPT-4 Turbo (older v1106) vs Google: Nano Banana Pro (Gemini 3 Pro Image Preview): Which AI Model Is Better?

Updated March 24, 2026· Based on independent benchmark data

Quick Verdict

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is 5.0x cheaper at $2.00/1M tokens vs $10/1M.

Head-to-Head Comparison

MetricOpenAI: GPT-4 Turbo (older v1106)Google: Nano Banana Pro (Gemini 3 Pro Image Preview)
Intelligence ScoreN/A48.4
Coding ScoreN/A46.5
Math ScoreN/A95.7
Speed (tok/s)N/A119 tok/s
Latency (TTFT)N/A21.66s
Input Price / 1M tokens$10$2.00
Output Price / 1M tokens$30$12
Context Window128K66K
Max Output Tokens4K33K
Input ModalitiesTextImage + Text
Output ModalitiesTextImage + Text
Free TierNoNo

Detailed Analysis

Pricing

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is more affordable at $2.00/1M input tokens ($12/1M output), while OpenAI: GPT-4 Turbo (older v1106) costs $10/1M input ($30/1M output). That makes OpenAI: GPT-4 Turbo (older v1106) 5.0x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-4 Turbo (older v1106) would cost approximately $60.00/month vs $12.00/month for Google: Nano Banana Pro (Gemini 3 Pro Image Preview) in input costs alone.

Context Window

OpenAI: GPT-4 Turbo (older v1106) offers a larger context window at 128K tokens compared to Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s 66K. For output length, Google: Nano Banana Pro (Gemini 3 Pro Image Preview) can generate up to 33K tokens per response vs 4K for OpenAI: GPT-4 Turbo (older v1106).

Best Use Cases

Choose Google: Nano Banana Pro (Gemini 3 Pro Image Preview) when you need lower cost.

Choose OpenAI: GPT-4 Turbo (older v1106) if:

  • You need a larger context window (128K vs 66K)

Choose Google: Nano Banana Pro (Gemini 3 Pro Image Preview) if:

  • Budget is a concern ($2.00/1M vs $10/1M)
  • You need image understanding (Supports image input)

Frequently Asked Questions

Which is cheaper, OpenAI: GPT-4 Turbo (older v1106) or Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is cheaper at $2.00/1M input tokens vs $10/1M for OpenAI: GPT-4 Turbo (older v1106).

Can OpenAI: GPT-4 Turbo (older v1106) process images?

No, OpenAI: GPT-4 Turbo (older v1106) does not support image input. However, Google: Nano Banana Pro (Gemini 3 Pro Image Preview) does support images.

Which has a larger context window, OpenAI: GPT-4 Turbo (older v1106) or Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?

OpenAI: GPT-4 Turbo (older v1106) has a larger context window at 128K compared to Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s 66K.

Related Comparisons

Benchmark data by Artificial Analysis

Data last synced: March 24, 2026