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