# GPT-6.1 Sol API

GPT-6.1 Sol is OpenAI's mid-tier model, described by OpenAI as near-Astra performance for complex work at a lower cost, with a 1.05M-token context window and up to 128K output tokens; list price $2.00 in / $10.00 out per 1M tokens, provider list as at 1 November 2026.

- Provider: OpenAI
- Model ID: gpt-6.1-sol
- Type: Chat
- Region: Global (provider global routing)
- Context window: 1,050,000 tokens
- Max output: 128,000 tokens
- Modalities: text, vision, tools, reasoning
- Endpoints: OpenAI Chat Completions https://api.seedrise.ai/v1
- Prices checked: 1 November 2026

## Provider list price

Provider list price as at 1 November 2026, per 1M tokens. AUD at a reference rate of 1 USD = 1.53 AUD; invoices use the rate on the day.

| Token type | USD | AUD |
|---|---:|---:|
| Input | 2.00 | 3.06 |
| Output | 10.00 | 15.30 |
| Cached input | 0.10 | 0.15 |

Your Seedrise rate is quoted per account against this list price. Request a rate card: https://seedrise.ai/contact?model=gpt-6.1-sol

Global: runs on the provider's global routing; no Australian-region option as at 1 November 2026. OpenAI's model page states that tool calling for GPT-6.1 Sol requires the Responses API, which Seedrise does not offer yet, so test tool use on your trial key before relying on it.

## Strengths

- List price one fifth of GPT-6 Astra for both input and output
- Reasoning effort from low to max, medium by default
- Structured outputs and streaming
- Text and image input, with a knowledge cutoff of 30 April 2026

## Typical use cases

- Production assistants that need strong reasoning at moderate cost
- Code generation and review
- Long-context question answering over contracts, reports or logs
- Reading charts, screenshots and scanned pages

## Quickstart

A first request with curl. Replace sk-... with your Seedrise key.

```bash
curl https://api.seedrise.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-..." \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-6.1-sol","messages":[{"role":"user","content":"Hello"}]}'
```

OpenAI SDK, Python:

```python
from openai import OpenAI

client = OpenAI(base_url="https://api.seedrise.ai/v1", api_key="sk-...")

r = client.chat.completions.create(
    model="gpt-6.1-sol",
    messages=[{"role": "user", "content": "Summarise this contract in three bullets."}],
)
print(r.choices[0].message.content)
```

## Where it runs

Global: Served on the provider's global routing.

## Related models

- [GPT-6 Astra](https://seedrise.ai/models/gpt-6-astra): US$10.00 input · US$50.00 output per 1M tokens, Global
- [GPT-6.1 Terra](https://seedrise.ai/models/gpt-6.1-terra): US$1.00 input · US$5.00 output per 1M tokens, Global
- [GPT-6 Luna](https://seedrise.ai/models/gpt-6-luna): US$0.10 input · US$0.50 output per 1M tokens, Global
- [GPT Image 2.5](https://seedrise.ai/models/gpt-image-2.5): US$30.00 per 1M image output tokens, Global
- [Claude Sonnet 5.5](https://seedrise.ai/models/claude-sonnet-5-5): US$2.00 input · US$10.00 output per 1M tokens, AU
- [Gemini 4 Argon](https://seedrise.ai/models/gemini-4-argon): US$2.00 input · US$10.00 output per 1M tokens, Global
- [Kimi K3.1 Pro](https://seedrise.ai/models/kimi-k3.1-pro): US$2.00 input · US$10.00 output per 1M tokens, Global

## FAQ

### What is the model ID for GPT-6.1 Sol?

Use gpt-6.1-sol as the model field, with no vendor prefix, on the OpenAI-compatible endpoint at https://api.seedrise.ai/v1. GET /v1/models returns the IDs your key can call.

### How does the Seedrise rate for GPT-6.1 Sol compare to the list price?

OpenAI's list price as at 1 November 2026 is US$2.00 per 1M input tokens and US$10.00 per 1M output tokens. Seedrise quotes rates per account against the provider's published list price for the same routing. Volume and committed tiers sit below list.

### What is the context window and max output of GPT-6.1 Sol?

GPT-6.1 Sol has a context window of 1,050,000 tokens and a maximum output of 128,000 tokens, per the provider documentation checked on 1 November 2026.

### Can GPT-6.1 Sol run in Australia?

Not at present. GPT-6.1 Sol is served on the provider's global routing. Models marked AU in the model library can be pinned to Sydney or Melbourne on request.

### Does GPT-6.1 Sol support tool calling through Seedrise?

OpenAI lists tool calling for GPT-6.1 Sol as requiring the Responses API, and Seedrise currently serves OpenAI models over Chat Completions only. Test it on your trial key first; Claude Sonnet 5.5 lists at the same price and supports tool use over Anthropic Messages.

### How does GPT-6.1 Sol compare with GPT-6 Astra?

Same 1.05M-token context and 128K output limit at one fifth of the list price. OpenAI positions Sol as near-Astra performance for complex work, with Astra as its flagship for the most demanding tasks.

Model names are trademarks of their respective providers.

Source: https://seedrise.ai/models/gpt-6.1-sol