GPT-5 (high) vs Gemini 2.5 Pro
Comparing 2 AI models · 6 benchmarks · OpenAI, Google
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Benchmark Winners
GPT-5 (high)
- GPQA
- MMLU Pro
- HLE
- LiveCodeBench
- MATH 500
- AIME 2025
Gemini 2.5 Pro
No clear wins
| Metric | Op GPT-5 (high) | Go Gemini 2.5 Pro |
|---|---|---|
| Pricing Per 1M tokens | ||
| Input Cost | $1.25/1M | $1.25/1M |
| Output Cost | $10.00/1M | $10.00/1M |
| Blended Cost 3:1 input/output ratio | $3.44/1M | $3.44/1M |
| Specifications | ||
| Organization Model creator | OpenAI | |
| Release Date Launch date | Aug 7, 2025 | Jun 5, 2025 |
| Performance & Speed | ||
| Throughput Output speed | — | 45.9 tok/s |
| Time to First Token (TTFT) Initial response delay | — | 15334ms |
| Latency Time to first answer token | — | 15334ms |
| Composite Indices | ||
| Intelligence Index Overall reasoning capability | 68.5 | 59.6 |
| Coding Index Programming ability | 52.7 | 49.3 |
| Math Index Mathematical reasoning | 94.3 | 87.7 |
| Standard Benchmarks | ||
| GPQA Graduate-level reasoning | 85.4% | 84.4% |
| MMLU Pro Advanced knowledge | 87.1% | 86.2% |
| HLE Hard language evaluation | 26.5% | 21.1% |
| LiveCodeBench Real-world coding tasks | 84.6% | 80.1% |
| MATH 500 Mathematical problems | 99.4% | 96.7% |
| AIME 2025 Advanced math competition | 94.3% | 87.7% |
| AIME (Original) Math olympiad problems | 95.7% | 88.7% |
| SciCode Scientific code generation | 42.9% | 42.8% |
| LCR Code review capability | 75.6% | 66.0% |
| IFBench Instruction-following | 73.1% | 48.7% |
| TAU-bench v2 Tool use & agentic tasks | 84.8% | 54.1% |
| TerminalBench Hard CLI command generation | 30.5% | 24.8% |
Key Takeaways
GPT-5 (high) offers the best value at $1.25/1M, making it ideal for high-volume applications and cost-conscious projects.
GPT-5 (high) leads in reasoning capabilities with a 85.4% GPQA score, excelling at complex analytical tasks and problem-solving.
GPT-5 (high) achieves a 52.7 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
GPT-5 (high)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Gemini 2.5 Pro
- General-purpose AI
- Versatile applications
Try Models for Free
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Cost Calculator
GPT-5 (high) Gemini 2.5 Pro Costs are estimates based on API pricing. Actual costs may vary based on caching, batch processing, and volume discounts.
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