Head-to-Head Pricing Benchmark
OpenAI: GPT-5.1 Chat vs Google: Gemini 2.5 Pro Preview 05-06
Side-by-side pricing and context window comparison for production model selection.
Default Recommendation (120M input + 60M output)
OpenAI: GPT-5.1 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-5.1 Chat | Google: Gemini 2.5 Pro Preview 05-06 |
|---|---|---|
| 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 | ✅ Yes | ✅ Yes |
| Structured Output | ✅ Yes | ✅ Yes |
| Reasoning | ❌ No | ✅ Yes |
| Web Search | ❌ No | ❌ No |
| MMLU Score | N/A | 83.7 |
| GPQA | N/A | 82.2 |
Price History
OpenAI: GPT-5.1 Chat Pricing Trend
Current Input / 1M
$1.25
Current Output / 1M
$10.00
Price History
Google: Gemini 2.5 Pro Preview 05-06 Pricing Trend
Current Input / 1M
$1.25
Current Output / 1M
$10.00
Cost Calculator
Adjust your workload to see projected monthly costs.
OpenAI: GPT-5.1 Chat
$750
per month
Lower costGoogle: Gemini 2.5 Pro Preview 05-06
$750
per month
Live Recommendation
OpenAI: GPT-5.1 Chat is lower-cost at 120M input + 60M output tokens/month.
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