Fastest LLM APIs (2026)
Large language model APIs ranked by tokens per second and time-to-first-token — essential for real-time applications, streaming UIs, and latency-sensitive pipelines.
Why Gemini 2.0 Flash Lite is Best for Fastest LLM APIs
Gemini 2.0 Flash Lite ranks highest for this use case based on Arena ELO score, benchmark performance, and capability coverage. It provides the best combination of quality, speed, and reliability for these specific tasks.
Cost Estimate
For a typical workload (~50M tokens/month, 60% input / 40% output), the cheapest qualifying model (Gemini 2.0 Flash Lite) costs approximately $8.25/month. The most capable model may cost more but delivers higher quality results.
Price vs Quality for Fastest LLM APIs
Anthropic
Google
Meta
Openai
Xai
Top 5 Models Compared
| Rank | Model | Provider | Input $/M | Output $/M | Arena ELO | Speed (tok/s) |
|---|---|---|---|---|---|---|
| #1 | Gemini 2.0 Flash Lite | $0.075 | $0.300 | 1200 | 180 | |
| #2 | Gemini 2.0 Flash | $0.100 | $0.400 | 1260 | 160 | |
| #3 | GPT-4.1 Mini | OpenAI | $0.400 | $1.60 | 1240 | 115 |
| #4 | GPT-4.1 Nano | OpenAI | $0.100 | $0.400 | 1180 | 150 |
| #5 | Claude Haiku 4 | Anthropic | $1.00 | $5.00 | 1220 | 130 |
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