Free frontier model APIs
The largest and strongest models (70B+ parameters and flagship lines) currently available for free via API, sorted by the Artificial Analysis index.
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Free routes to frontier models are usually rate-limited per minute and per day. When one provider's quota runs out, the same model is often free elsewhere — see the Free at column.
| # | Model ↕ | AA Index ↕ | GPQA ↕ | Context ↕ | Size ↕ | Free at ↕ | |
|---|---|---|---|---|---|---|---|
| 1 |  |
43.7 | — | 1M | Frontier |   NVIDIA Build, UnoRouter |
|
| 2 |  |
44.8 | 92% | 1M | Frontier |  Together AI |
|
| 3 |  |
39.5 | — | 1M | Frontier |   OrcaRouter, NVIDIA Build, UnoRouter, OpenCode Zen |
|
| 4 | |
33.7 | 90% | 1M | Frontier | Together AI |
|
| 5 |  |
29.2 | 93% | 1M | Frontier | UnoRouter |
|
| 6 |  |
27.0 | 91% | 256K | Frontier | NVIDIA Build |
|
| 7 |  |
22.9 | 87% | 1M | Frontier |  OpenRouter, NVIDIA Build, UnoRouter |
|
| 8 |  |
21.4 | 86% | 262K | Frontier | UnoRouter |
|
| 9 | |
22.2 | 86% | 203K | Frontier | Together AI |
|
| 10 | |
18.6 | 78% | 205K | Frontier | Together AI, UnoRouter |
|
| 11 | |
— | — | 1M | Frontier | NVIDIA Build, UnoRouter, OpenCode Zen |
|
| 12 | |
17.7 | 83% | 262K | Frontier | Together AI |
|
| 13 |  |
— | — | 1M | Frontier | Together AI |
|
| 14 | |
12.8 | 80% | 262K | Frontier | NVIDIA Build, UnoRouter |
|
| 15 | |
— | — | 256K | Frontier |  Cloudflare Workers AI |
|
| 16 | |
— | — | 262K | Frontier | UnoRouter |
|
| 17 |  |
11.6 | 78% | 131K | Frontier |  Groq, Cloudflare Workers AI, UnoRouter |
|
| 18 | |
13.4 | 77% | 262K | Frontier | Together AI |
|
| 19 | |
— | — | 131K | Frontier | Together AI |
|
| 20 | |
— | — | 131K | Frontier | Together AI |
|
| 21 | |
— | — | 203K | Frontier | Together AI |
|
| 22 | |
— | — | 203K | Frontier | Together AI |
|
| 23 | |
— | — | 8K | Frontier | Together AI |
|
| 24 | |
— | — | 131K | Frontier | Together AI |
|
| 25 | |
— | — | 24K | Frontier | Cloudflare Workers AI |
|
| 26 | |
— | — | — | Frontier | NVIDIA Build |
|
| 27 |
Palmyra Creative 122B
Writer · 122B
|
— | — | — | Frontier | NVIDIA Build |
|
| 28 | — | — | 8K | Frontier | UnoRouter |
||
| 29 | — | — | 131K | Frontier | UnoRouter |
||
| 30 | |
— | — | 32K | Frontier | UnoRouter |
|
| 31 | — | — | 131K | Frontier | UnoRouter |
||
| 32 |
Syn Pro
New
|
— | — | 66K | Frontier | UnoRouter |
|
| 33 | — | — | 32K | Frontier | UnoRouter |
||
| 34 |  |
— | — | — | Frontier | OpenCode Zen |
|
| 35 | |
12.8 | 80% | 262K | Frontier | Together AI |
|
| 36 | |
11.7 | 70% | 1M | Frontier | Together AI |
|
| 37 | |
12.7 | 79% | 262K | Frontier | Together AI |
|
| 38 | |
8.1 | 59% | 10.5M | Frontier | Together AI, Cloudflare Workers AI, UnoRouter |
|
| 39 | |
11.2 | 76% | 262K | Frontier | Together AI |
|
| 40 | |
10.0 | 68% | 1M | Frontier | Together AI |
|
| 41 | |
9.6 | 52% | 262K | Frontier | Together AI |
|
| 42 | |
7.7 | 50% | 131K | Frontier | Together AI, UnoRouter |
|
| 43 | |
8.4 | 54% | 128K | Frontier | UnoRouter |
|
| 44 | |
6.4 | 43% | 16K | Frontier | Together AI, NVIDIA Build |
|
| 45 | |
7.7 | 49% | 131K | Frontier | Together AI |
|
| 46 | |
7.6 | 68% | 66K | Frontier | Together AI |
|
| 47 | |
7.5 | 73% | 128K | Frontier | NVIDIA Build |
|
| 48 | |
7.3 | 52% | 131K | Frontier | Together AI |
|
| 49 | |
6.6 | 41% | 16K | Frontier | Together AI |
Benchmarks: Artificial Analysis (September 24, 2026). A dash means the model is not on their leaderboard; we never estimate scores ourselves.
FAQ
Which frontier models are free right now?
49 models are free right now. Leaders by the Artificial Analysis index: Step 5 Preview, GLM 5.3, DeepSeek V4.1 Flash, GLM 5.2, MiniMax M3, Kimi K2.6.
Where can I use Step 5 Preview for free?
Step 5 Preview is free at NVIDIA Build, UnoRouter. Each provider is OpenAI-compatible — just switch the base URL and key.
What are the limits of free access?
Free routes to frontier models are usually rate-limited per minute and per day. When one provider's quota runs out, the same model is often free elsewhere — see the Free at column.