GPT-5 review: specs, pricing, and how it compares (2026)
A practical look at GPT-5 from OpenAI: benchmarks, pricing, real strengths, and how it stacks up against other AI models inside Admix, the multi model AI chat aggregator.
Quick verdict
GPT-5 is a frontier model. It is best for reasoning, math, research. Benchmarks via artificialanalysis.ai.
Specs
| Intelligence index | 78.4 |
| Coding index | 76.1 |
| Context window | 400K tokens |
| Speed | 142 tok/s |
| Input price | $5.00 / 1M tokens |
| Output price | $20.00 / 1M tokens |
| Vendor | OpenAI |
| Released | Aug 7, 2025 |
Watch: GPT-5 review
Strengths
- Top reasoning and math scores
- Strong general knowledge
- Reliable tool use
- Wide ecosystem support
Weaknesses
- More expensive than mid-tier models
- Slower than Grok and Gemini Flash on long outputs
Best use cases for GPT-5
GPT-5 versus other models
FAQ
Is GPT-5 good for Reasoning?
Yes. GPT-5 ranks well on this task in 2026 thanks to top reasoning and math scores. See the use case rankings on Admix for the full comparison against other models.
How much does GPT-5 cost?
GPT-5 costs $5.00 per million input tokens and $20.00 per million output tokens. In Admix you can use it inside one subscription alongside every other frontier model.
What is the context window of GPT-5?
GPT-5 supports a context window of 400K tokens, released Aug 7, 2025.
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