Aion-2.0 pricing
$0.80 per 1M input tokens and $1.60 per 1M output tokens. In real work that is 0.27¢ per chat answer and 1.2¢ to summarize a 20-page PDF.
What Aion-2.0 costs per task
Token counts estimated from a measured model of the same lab (Gemini 3.8 Flash), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 0.27¢$2.66 / 1,000 | 35 in · 804 out · 843 reasoning | 180 of 336 | estimated |
| Reply to a customer email | 0.11¢$1.11 / 1,000 | 276 in · 130 out · 424 reasoning | 176 of 336 | estimated |
| Write a 1,500-word blog post | 0.59¢$5.86 / 1,000 | 53 in · 2,674 out · 964 reasoning | 147 of 336 | estimated |
| Write 10 product descriptions | 0.50¢$4.98 / 1,000 | 298 in · 1,149 out · 1,817 reasoning | 153 of 336 | estimated |
| Translate 1,000 words | 0.83¢$8.25 / 1,000 | 1,334 in · 1,323 out · 3,167 reasoning | 176 of 336 | estimated |
| Proofread one page (500 words) | 0.24¢$2.35 / 1,000 | 720 in · 666 out · 443 reasoning | 165 of 336 | estimated |
| Summarize a 20-page PDF | 1.2¢$12.41 / 1,000 | 13,000 in · 545 out · 713 reasoning | 206 of 336 | estimated |
| Extract data from an invoice | 0.28¢$2.76 / 1,000 | 461 in · 549 out · 943 reasoning | 188 of 336 | estimated |
| Analyze a 200-row spreadsheet | 1.8¢$18.17 / 1,000 | 6,432 in · 1,038 out · 7,100 reasoning | 155 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 0.64¢$6.43 / 1,000 | 3,681 in · 682 out · 1,499 reasoning | 197 of 336 | estimated |
| Classify 100 support tickets | 1.2¢$11.77 / 1,000 | 1,425 in · 582 out · 6,059 reasoning | 220 of 336 | estimated |
| Review 500 lines of code | 0.76¢$7.64 / 1,000 | 5,313 in · 2,116 out | 121 of 336 | estimated |
| Write a SQL query | 0.27¢$2.67 / 1,000 | 137 in · 557 out · 1,043 reasoning | 185 of 336 | estimated |
| Run a 50-step coding agent | 60¢$596 / 1,000 | 2,239,737 in · 15,014 out · 47,150 reasoning | 186 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving Aion-2.0 through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
| A AionLabsunknown | $0.80 / $1.60 | $0.20 | 131K | 100% |
Price history
First seen in our price history on Mar 3, 2026 at $0.80 input / $1.60 output. The list price has not changed since.
FAQ
How much does Aion-2.0 cost?
Aion-2.0 costs $0.80 per 1 million input tokens and $1.60 per 1 million output tokens, with cached input at $0.20 (list price on Oct 18, 2026). In practice one chat answer costs about 0.27¢ and summarizing a 20-page PDF about 1.2¢.
Where is Aion-2.0 cheapest?
Among 1 providers we track, the lowest list price today is at AionLabs: $0.80 input and $1.60 output per 1M tokens.
Does Aion-2.0 charge for reasoning tokens?
Yes. Reasoning (thinking) tokens are billed as output tokens. That is why the cost per task can be much higher than the visible answer suggests - our task costs include them.
Is the Aion-2.0 cost per task measured or estimated?
Estimated: Aion-2.0 was not run directly. Tokens come from Gemini 3.8 Flash and are rescaled by the tokenizer of Aion Labs. Real usage can differ.