# TTFT comparisons in one view

Swap models in and out to see time-to-first-token distributions side by side. Focus on responsiveness before you commit to a provider.

### Model picker

Select up to 6 models

Grouped by provider

## Model Speed Lab

### Model Data

**OpenAI**

| Model                     | Time to First Token  |
|---------------------------|----------------------|
| GPT-5                     | 2.34s                |
| GPT-5-Chat                | 922ms                |
| GPT-4.1                   | 2.51s                |
| GPT-4o                    | 1.33s                |
| GPT-5 mini                | 6.45s                |
| GPT-5 nano                | 3.69s                |
| GPT-4.1 mini              | 1.79s                |
| GPT-4.1 nano              | 1.30s                |
| ChatGPT 5.3 Codex        | 7.35s                |
| OpenAI o1                 | 11.2s                |
| OpenAI o3                 | 6.22s                |
| GPT-5.1                   | 2.86s                |
| GPT-5.2                   | 2.33s                |
| ChatGPT 5.4              | 3.93s                |
| OpenAI o3-mini           | 7.84s                |
| OpenAI o4-mini           | 3.19s                |
| GPT-5-Chat               | 922ms                |
| GPT-5.2 Pro              | 58.8s                |
| ChatGPT 5.4 Pro          | 3 mins 21s           |

**Google**

| Model                           | Time to First Token  |
|---------------------------------|----------------------|
| Gemini 2.0 Flash Lite          | 1.30s                |
| Gemini 2.5 Pro                | 13.0s                |
| Gemini 3.1 Flash Lite Preview  | 2.42s                |
| Gemini 3.1 Pro Preview        | 20.4s                |
| Gemini 3 Flash                | 7.77s                |
| Gemini 3 Pro                  | 16.9s                |
| Gemini 2.0 Flash              | 952ms                |
| Gemini 2.5 Flash              | 3.82s                |

**Anthropic**

| Model                         | Time to First Token  |
|-------------------------------|----------------------|
| Claude 4.6 Opus              | 3.08s                |
| Claude 4.7 Opus              | 4.07s                |
| Claude 4.5 Opus              | 3.04s                |
| Claude 3.7 Sonnet            | 1.40s                |
| Claude 4.1 Opus              | 2.02s                |
| Claude 4.5 Sonnet            | 2.55s                |
| Claude 4 Opus                | 4.03s                |
| Claude 4.5 Haiku             | 1.71s                |
| Claude 4.6 Sonnet            | 2.58s                |
| Claude 4 Sonnet              | 2.45s                |

**Grok**

| Model                           | Time to First Token  |
|---------------------------------|----------------------|
| Grok 4 Fast Reasoning         | 6.20s                |
| Grok 4.20                     | 8.81s                |
| Grok 4 Fast                   | 2.25s                |
| Grok 4.1 Fast                 | 1.70s                |
| Grok 3                         | 3.12s                |
| Grok 4                         | 15.6s                |
| Grok 4.1 Fast Reasoning       | 9.32s                |
| Grok 4.20                     | 2.80s                |

**Mistral**

| Model                     | Time to First Token  |
|---------------------------|----------------------|
| Mistral Medium 3.1       | 1.64s                |
| Magistral Medium 1.2      | 2.85s                |

**Perplexity**

| Model                            | Time to First Token  |
|----------------------------------|----------------------|
| Sonar                            | 2.35s                |
| Sonar Pro                        | 2.33s                |
| Sonar Reasoning Pro             | 2.87s                |
| Sonar Deep Research              | 28.8s                |

### TTFT Comparison

Compare time-to-first-token across multiple models

| Model                     | Median TTFT (Time to First Token) |
|--------------------------|-----------------------------------|
| GPT-5                    | 0ms                               |
| GPT-5-Chat               | 1.42s                             |
| GPT-4.1                  | 5.48s                             |
| GPT-4o                   | 12.6s                             |

**Links for more details**  
- [Pick GPT-5](https://pickaxe.co/models/gpt-5)  
- [Pick GPT-5-Chat](https://pickaxe.co/models/gpt-5-chat)  
- [Pick GPT-4.1](https://pickaxe.co/models/gpt-4-1)  
- [Pick GPT-4o](https://pickaxe.co/models/gpt-4o)