Gemini 2.5 Flash vs GPT-4o
Which is better in 2026?
Gemini 2.5 Flash
88
Veltrix Score
vs
GPT-4o
87
Veltrix Score
Detailed Scores
Gemini 2.5 Flash — Scores
Coding87
Reasoning88
Creativity84
Speed95
Cost Efficiency88
Context: 1000K tokens
API: $0.3 / $2.5 per 1M tokens
GPT-4o — Scores
Coding90
Reasoning90
Creativity88
Speed85
Cost Efficiency80
Context: 128K tokens
API: $2.5 / $10 per 1M tokens
Key Differences
| Aspect | Gemini 2.5 Flash | GPT-4o |
|---|---|---|
| Veltrix Score | 88/100 | 87/100 |
| Context Window | 1000K tokens | 128K tokens |
| API Cost (input/output per 1M) | $0.3 / $2.5 | $2.5 / $10 |
| Coding | 87/100 | 90/100 |
| Reasoning | 88/100 | 90/100 |
| Speed | 95/100 | 85/100 |
Best for — Gemini 2.5 Flash
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
- +Fast response times
- +Cost-efficient at scale
Best for — GPT-4o
- +Code generation and review
- +Complex reasoning tasks
- +Creative writing
- +Fast response times
- +Cost-efficient at scale
Analysis
Gemini 2.5 Flash and GPT-4o are both popular choices in the llm space. With Veltrix Scores of 88 and 87 respectively, they are closely matched overall.
In coding benchmarks, GPT-4o takes the lead. For reasoning tasks, GPT-4o performs stronger. For cost-conscious developers, Gemini 2.5 Flash offers better value per token.
This comparison is generated from live Veltrix ranking data. Scores are updated multiple times per week as new benchmarks and user data become available.
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