gpt-4 vs gemini pricing

GPT-4 vs Gemini 1.5 Pro Cost Comparison

Model comparisons often ignore real token economics. This page normalizes pricing to support routing decisions with cost context.

Compare live rates and scenario economics to avoid costly model selection mistakes.

Live cost comparison snapshot

MetricGPT-4Gemini 1.5 Pro
Input / 1K$0.0300$0.0013
Output / 1K$0.0600$0.0050
Sample request (1,200 in / 400 out)$0.060000$0.003500

Decision stats block

GPT-4 request

$0.060000

1,200 in / 400 out

Gemini 1.5 Pro request

$0.003500

1,200 in / 400 out

Scenario delta

+$0.056500

Per request difference

Decision signal

Gemini 1.5 Pro is cheaper

Cost-only perspective

Proof from the product

Real UI snapshot from AI Cost Board used in production workflows.

Model comparison workflow in AI Cost Board

Compare model cost scenarios before routing production traffic.

Decision framework for this comparison

  • Compare cost using the same prompt and completion profile before testing quality.
  • Measure latency and error rate under the same traffic path to avoid misleading cost-only wins.
  • Validate retry behavior and downstream reliability costs before routing production traffic.

Cost drivers that change the decision

  • Retries and fallback loops can multiply spend even when token pricing looks cheap.
  • Prompt/context growth silently increases input token cost over time.
  • Latency regressions often correlate with retries and timeout-driven duplicate requests.
  • Quality mismatch can require more retries, post-processing, or human review and erase pricing advantages.

Recommended next steps

  • Save one normalized benchmark scenario for recurring monthly comparisons.
  • Route a controlled traffic slice and monitor latency, errors, and spend together.
  • Set budget alerts before expanding traffic to the new model or provider.

Estimated mode. Input capped at 100,000 chars.

0

Pricing updated: Mar 5, 2026, 04:00 AM

Input Cost

$0.0000

Output Cost

$0.00384

Total Cost

$0.00384

Price basis: 3,000 cents / 1M input tokens and 6,000 cents / 1M output tokens.

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Frequently asked questions

What does this GPT-4 vs Gemini 1.5 Pro comparison include?

This comparison combines live rates with a standardized request profile. It also links to deeper model calculators for production planning.

Is the cheapest model always the best choice?

No. Evaluate cost, latency, quality fit, and retry behavior for your workload profile.

How often should I re-run model comparisons?

At least monthly and after any provider pricing change or major traffic mix shift.

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