Cheapest LLM API (2026)
50 models ranked by lowest price across 70+ providers · Updated daily
Prices updated:
As of : Real-time ranking of the cheapest LLM APIs, sourced from ComputeUnion's automated daily scrapes across 70+ providers. Prices are per 1M input tokens. Relay stations typically cost 20–80% less than official providers but route through a third party.
| # | Model | Cheapest Provider | Price / 1M input tokens | Output |
|---|---|---|---|---|
| 1 | Claude Sonnet 5 | OmniTunnelrelay | $0.002716 | $0.013550 |
| 2 | Claude Opus 4.8 | OmniTunnelrelay | $0.007439 | $0.037195 |
| 3 | Claude Opus 5 | OmniTunnelrelay | $0.007439 | $0.037195 |
| 4 | claude-haiku-5-5 | RunAPIrelay | $0.008276 | $0.041379 |
| 5 | deepseek-ocr | TreeRouterrelay | $0.008938 | $0.008938 |
| 6 | ByteDance Seed | LaoZhang APIrelay | $0.013793 | $0.055172 |
| 7 | Claude Haiku 4.5 | Zhiyuan AIrelay | $0.013793 | $0.068966 |
| 8 | codegeex-4 | 302.AIrelay | $0.014000 | $0.014000 |
| 9 | Claude Fable 5 | OmniTunnelrelay | $0.017358 | $0.086789 |
| 10 | Claude Sonnet 4.6 | OmniTunnelrelay | $0.019000 | $0.097000 |
| 11 | Command R | UiUiAPIrelay | $0.020690 | $0.082759 |
| 12 | DeepSeek V3 | RunAPIrelay | $0.022400 | $0.033600 |
| 13 | DeepSeek R1 | TreeRouterrelay | $0.022759 | $0.090621 |
| 14 | DeepSeek V3.1 | TreeRouterrelay | $0.023172 | $0.069517 |
| 15 | DeepSeek-OCR | Novita AIrelay | $0.030000 | $0.030000 |
| 16 | DeepSeek-OCR 2 | Novita AIrelay | $0.030000 | $0.030000 |
| 17 | deepseek/deepseek-ocr-2 | 302.AIrelay | $0.031000 | $0.031000 |
| 18 | DeepSeek V3.2 | RunAPIrelay | $0.031527 | $0.047290 |
| 19 | Claude Opus 5.5 | SubRouterrelay | $0.032966 | $0.164828 |
| 20 | Claude 3.5 Haiku | TreeRouterrelay | $0.033103 | $0.165517 |
| 21 | Claude 3 Haiku | UiUiAPIrelay | $0.034483 | $0.172414 |
| 22 | Amazon Nova | 302.AIrelay | $0.035000 | $0.140000 |
| 23 | AutoGLM-Phone-9B-Multilingual | Novita AIrelay | $0.035000 | $0.138000 |
| 24 | DeepSeek Flash Latest | OpenRouterrelay | $0.035000 | $0.500000 |
| 25 | DeepSeek R1 Distill Qwen 32B | UiUiAPIrelay | $0.037241 | $0.037241 |
| 26 | Command R7B | OpenRouterrelay | $0.037500 | $0.150000 |
| 27 | claude-haiku-3-5 | PoloAPIrelay | $0.041379 | $0.041379 |
| 28 | Codestral | EasyRouterrelay | $0.041379 | $0.124138 |
| 29 | Claude Opus 4.6 | OmniTunnelrelay | $0.043000 | $0.216000 |
| 30 | Claude Haiku 5.5 (batch) | OpenRouterrelay | $0.050000 | $0.250000 |
| 31 | claude-sonnet-5 | dddAIrelay | $0.063448 | $0.317241 |
| 32 | claude-sonnet-5-5 | dddAIrelay | $0.063448 | $0.317241 |
| 33 | Claude Opus 4.7 | Zhiyuan AIrelay | $0.068966 | $0.344828 |
| 34 | DeepSeek R1 Distill Qwen 7B | PoloAPIrelay | $0.068966 | $0.137931 |
| 35 | Baichuan | Novita AIrelay | $0.070000 | $0.070000 |
| 36 | Claude Haiku 5.5 | Anthropic | $0.100000 | $0.500000 |
| 37 | DeepSeek Pro Latest | OpenRouterrelay | $0.103500 | $8.000000 |
| 38 | Claude 3.5 Sonnet | TreeRouterrelay | $0.124138 | $0.620690 |
| 39 | Claude 3.7 Sonnet | TreeRouterrelay | $0.124138 | $0.620690 |
| 40 | Claude Sonnet 4 | TreeRouterrelay | $0.124138 | $0.620690 |
| 41 | Claude Sonnet 4.5 | TreeRouterrelay | $0.124138 | $0.620690 |
| 42 | claude-haiku-4-5@20251001 | EasyRouterrelay | $0.137931 | $0.689655 |
| 43 | Cohere Command | UiUiAPIrelay | $0.137931 | $0.551724 |
| 44 | Command | UiUiAPIrelay | $0.137931 | $0.551724 |
| 45 | Command Light | UiUiAPIrelay | $0.137931 | $0.551724 |
| 46 | Command Nightly | UiUiAPIrelay | $0.137931 | $0.551724 |
| 47 | deepseek-ai/deepseek-vl2 | 302.AIrelay | $0.142000 | $0.142000 |
| 48 | ascend-tribe/pangu-pro-moe | 302.AIrelay | $0.143000 | $0.572000 |
| 49 | Codestral 2508 (batch) | OpenRouterrelay | $0.150000 | $0.450000 |
| 50 | claude-opus-5 | dddAIrelay | $0.158621 | $0.793103 |
FAQ
What is the cheapest LLM API right now?
The lowest current price is Claude Sonnet 5 from OmniTunnel at $0.002716 / 1M input tokens. Prices update daily.
Why do LLM API prices vary so much?
Price differences come from: 1) relay stations typically offer 20–80% discounts vs official providers; 2) capability differences between models; 3) some platforms have volume tiers. Choose based on your actual quality requirements and budget.
How reliable is this pricing data?
Live-scraped prices come directly from provider APIs and update on a six-hour schedule. For large purchases, always verify the final price on the provider's official site.