Last refreshed 2026-09-29. Next refresh: weekly.
Why use GPT-6.1 Sol on OpenAI API?
OpenAI API offers GPT-6.1 Sol with pay-as-you-go pricing at $2.00/1M input tokens. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.
Compare GPT-6.1 Sol across 3 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport OPENAI_API_KEY=...import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(gpt-6.1-solRequest example
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="gpt-6.1-sol",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".
- The examples expect OPENAI_API_KEY; rename it only if your application config maps the new variable.
Compare GPT-6.1 Sol Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenAI API | $2.00 | $10.00 |
| Azure OpenAI | $2.00 | $10.00 |
| OpenRouter | $2.00 | $10.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $10.00 |
Capabilities
About GPT-6.1 Sol
OpenAI GPT-6.1 Sol (API id gpt-6.1-sol), announced September 29, 2026, upgrades GPT-6 Sol toward near-Astra intelligence for complex coding, computer use, and professional work at one-fifth of Astra's standard input/output token prices. First-party docs: 1,050,000 context, 128,000 max output, knowledge cutoff Apr 30, 2026, text+image input to text output. Standard short-context list $2 input / $0.10 cached input / $2.50 cache writes / $10 output per 1M tokens (cached input 50% below GPT-6 Sol's $0.20). >272K input: 2x input/cache and 1.5x output. Batch/Flex 50% of Standard; Fast mode 2x. reasoning.effort low/medium/high/xhigh/max (none/minimal not supported).