$2 / $10per 1M tokens in / out
$0.20cache read · −90%
$0.25per task at medium?
#55on OpenRouter by tokens · 320.8B / week
Price sheetper 1M tokens
| Input | $2 | list |
| Output | $10 | |
| Cache read | $0.20 | −90% vs input |
| Cache write | $2.50 | +25% vs input |
| Context · max output | 1.1M · 128K | tokens |
Cost per task by effort?
non-thinking$0.3318.4
low$0.1334.9
mediumAPI default$0.2541
high$0.3744.1
xhigh$0.5246.3
max$1.0447.9
per taskHumanity's Last Exam
Same price per token at every effort; the bill grows with reasoning tokens. max costs 4.2× medium for +7 points.
Where to buy3 providers · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| Azure | $2 | $10 | 1.1M |
| OpenAIlab | $2 | $10 | 1.1M |
| Amazon Bedrock | $2.20 | $11 | 1.1M |
In OpenAI's line-upper 1M in / out
| GPT-6.1 Terra | $1 / $5 | −50% |
| GPT-3.5 Turbo 16k | $3 / $4 | −19% |
| o3 | $2 / $8 | −12% |
| GPT-6 Sol | $2 / $10 | this model |
| GPT-6.1 Sol | $2 / $10 | 0% |
| GPT-4o | $2.50 / $10 | +9% |
| GPT-4o (2024-08-06) | $2.50 / $10 | +9% |
Cheaper for the same workvs GPT-6 Sol at medium
| GPT-6.1 Sol medium | -14% | score +20% | $0.21 |
| MiMo v2.6 Pro thinkingOpen | -46% | score +16% | $0.13 |
| GPT-6.1 Terra xhigh | -22% | score +14% | $0.19 |
| Claude Haiku 5.5 max | -14% | score +9% | $0.21 |
| MiniMax M3.1 Flash thinking | -11% | score +7% | $0.22 |
Pricing questions
How much does GPT-6 Sol cost?›
$2 per 1M input tokens and $10 per 1M output tokens. Cached input is $0.20. One Intelligence Index task costs about $0.25 at the default effort.
Is GPT-6 Sol free to use?›
There is no free API tier.
How much does prompt caching save?›
Cache reads cost $0.20 per 1M, 90% below the input price. Writing to the cache costs $2.50 per 1M.
Is GPT-6 Sol cheaper than GPT-5.1?›
No: $2 / $10 against $1.25 / $10, 16% more per token.
How does effort change the price?›
The price per token is the same at every effort. Higher effort spends more reasoning tokens: a task costs $0.33 at non-thinking, $0.13 at low, $0.25 at medium, $0.37 at high, $0.52 at xhigh, $1.04 at max.
What is a cheaper alternative to GPT-6 Sol?›
GPT-6.1 Sol at medium effort costs -14% per task with a score +20% on Humanity's Last Exam.