GPT-5 Turbo vs OpenAI: o3 Deep Research
Side-by-side comparison. Updated 2026-06-07.
Verdict
GPT-5 Turbo wins on higher overall score (9.1 vs 9.0, +0.1).
- ~80% cheaper input
At a Glance
| Attribute | GPT-5 Turbo | OpenAI: o3 Deep Research |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Tags | general | Reasoning Agentic Intelligent |
| Context | 128,000 tokens | 200,000 tokens |
| Input price | $2.00/1M | $10.00/1M |
| Output price | $40.00/1M | $40.00/1M |
| Input modalities | Text | Image, Text, File |
| Output modalities | Text | Text |
GPT-5 Turbo Strengths
- Near GPT-5 quality at lower cost
- Fast inference speed
- Strong coding performance
- Good for high-volume use
OpenAI: o3 Deep Research Strengths
- Best-in-class multi-step research and synthesis
- Thorough source evaluation and cross-referencing
- Handles ambiguous open-ended questions well
- Produces cited, well-structured research reports