GPT-4 Turbo vs o3
Pricing, context window, and benchmark comparison · Last updated April 2026
o3 is cheaper than GPT-4 Turbo at $10.00/1M/1M vs $10.00/1M/1M input tokens. o3 scores higher on quality benchmarks (ELO 1380). Choose o3 for cost-sensitive workloads; both are strong choices depending on your budget.
Which is cheaper: GPT-4 Turbo or o3?
GPT-4 Turbo and o3 are identically priced at $10.00/1M per 1M input tokens. Output pricing follows a similar pattern: GPT-4 Turbo charges $30.00/1M/1M vs $40.00/1M/1M for o3.
Which has better quality: GPT-4 Turbo or o3?
Based on LMSYS Chatbot Arena rankings, o3 achieves a higher ELO score (1380 vs 1260), suggesting stronger performance on open-ended tasks. GPT-4 Turbo excels at strong general reasoning. o3 is known for highest reasoning benchmark scores of any model.
Which should you choose: GPT-4 Turbo or o3?
- → Strong general reasoning
- → Good at following complex multi-step instructions
- → Reliable tool/function calling
- → Highest reasoning benchmark scores of any model
- → Better cost-efficiency than o1 at similar quality
- → Superior at agentic and multi-step tasks
Frequently Asked Questions
Which is cheaper: GPT-4 Turbo or o3?
GPT-4 Turbo and o3 have the same input price of $10.00/1M per 1M tokens.
Which has better quality: GPT-4 Turbo or o3?
o3 scores higher on the LMSYS Chatbot Arena with an ELO of 1380, suggesting better overall quality for most tasks.
Which has a larger context window: GPT-4 Turbo or o3?
o3 has a larger context window at 200K tokens.
Should I choose GPT-4 Turbo or o3?
Choose o3 if cost is the priority. Choose o3 if benchmark quality is most important. Consider your specific use case: GPT-4 Turbo is best for coding and function-calling, while o3 excels at reasoning and math.
Is GPT-4 Turbo or o3 open source?
GPT-4 Turbo is proprietary. o3 is proprietary.