Which is cheaper for input tokens: OpenAI: GPT-5 Chat or Google: Gemini 2.5 Pro?
OpenAI: GPT-5 Chat is cheaper or equal on input token cost by $0.00 per 1M tokens.
Head-to-Head Pricing Benchmark
OpenAI: GPT-5 Chat vs Google: Gemini 2.5 Pro
Side-by-side pricing and context window comparison for production model selection.
Input delta: $0.00Output delta: $0.00Monthly delta: $0.00
Default Recommendation (120M input + 60M output)
OpenAI: GPT-5 Chat is lower-cost for the default monthly workload scenario.
Adjust the workload in the calculator below to see a live recommendation for your usage.
| Metric | OpenAI: GPT-5 Chat | Google: Gemini 2.5 Pro |
|---|---|---|
| Developer | openai | |
| Context Window | 128,000 | 1,048,576 |
| Input Cost / 1M Tokens | $1.25 | $1.25 |
| Output Cost / 1M Tokens | $10.00 | $10.00 |
| Projected Monthly Cost | $750 | $750 |
| Vision | ✅ Yes | ✅ Yes |
| Tool Calling | ❌ No | ✅ Yes |
| Structured Output | ✅ Yes | ✅ Yes |
| Reasoning | ❌ No | ✅ Yes |
| MMLU Score | N/A | 89.5 |
| GPQA | N/A | 88.7 |
Price History
OpenAI: GPT-5 Chat Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$1.25
Current Output / 1M
$10.00
Price History
Google: Gemini 2.5 Pro Pricing Trend
Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
Current Input / 1M
$1.25
Current Output / 1M
$10.00
Cost Calculator
Adjust your workload to see projected monthly costs.
01.0B
0500M
OpenAI: GPT-5 Chat
$750
per month
Lower costGoogle: Gemini 2.5 Pro
$750
per month
Live Recommendation
OpenAI: GPT-5 Chat is lower-cost at 120M input + 60M output tokens/month.
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FAQ
Common questions for OpenAI: GPT-5 Chat vs Google: Gemini 2.5 Pro pricing decisions.
Which is cheaper for output tokens: OpenAI: GPT-5 Chat or Google: Gemini 2.5 Pro?
OpenAI: GPT-5 Chat is cheaper or equal on output token cost by $0.00 per 1M tokens.
What is the projected monthly cost difference between OpenAI: GPT-5 Chat and Google: Gemini 2.5 Pro?
$0.00 difference for the default scenario (120M input + 60M output tokens/month).
How should I choose between OpenAI: GPT-5 Chat and Google: Gemini 2.5 Pro?
Use this page to compare context window and token pricing, then open each model page to evaluate additional alternatives and monthly workload fit.