openai / text-generation API-only released 2026-09-29

GPT-6.1 Sol Pro

Name: GPT-6.1 Sol Pro
Price: 2 USD
Author: openai

GPT-6.1 Sol Pro is the same underlying model as [GPT-6.1 Sol](https://openrouter.ai/openai/gpt-6.1-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

Input / 1M

$2.00

Output / 1M

$10.00

Context

1.0M

AA Intelligence

—

Closed weights — available only as a hosted API file + image + text → text View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-10-24

$2.00

input / 1M

$10.00

output / 1M

$0.10

cached input / 1M

$12.00

1M in + 1M out

:batch variant $1.00 in · $5.00 out

Price tiers

Above 272K prompt tokens: input $4.00/M, output $15.00/M (2× base)

Context window: 1,050,000 tokens
Max output: 128,000 tokens
Providers: 2
Cheapest provider: OpenAI · $1.00 / $5.00
Best throughput: —
AA Intelligence / Coding / Agentic: — / — / —

✓ Tool calling ✓ Reasoning ✓ Structured outputs ✓ Image input ✓ File input ✗ Audio input ✓ Prompt caching

Price history

tracking started — chart appears after 7 days of snapshots (6 recorded)

Current: $2.00 input · $10.00 output per 1M tokens

Providers

2 providers · per 1M tokens · last 30 min metrics

Provider	Quant	Context	Input	Output	Uptime	Tok/s
OpenAI	unknown	1.0M	$1.00	$5.00	—	—
Azure	unknown	1.0M	$2.00	$10.00	—	—
OpenAI	unknown	1.0M	$2.00	$10.00	100%	—
Azure	unknown	1.0M	$2.20	$11.00	—	—
Azure	unknown	1.0M	$2.20	$11.00	—	—
OpenAI	unknown	1.0M	$4.00	$20.00	—	—
OpenAI	unknown	1.0M	$12.00	$60.00	—	—

Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation: openai
Released on OpenRouter: 2026-09-29
Context window: 1,050,000 tokens
Max output: 128,000 tokens
Input: file, image, text
Output: text
Tokenizer: GPT
Moderated by provider: Yes
OpenRouter id: openai/gpt-6.1-sol-pro

Compare with

Popular comparisons

GPT-6 Sol $4.00 GPT-6 Sol Pro $4.00 GPT-6.1 Sol $4.00 GPT-4o $4.38 GPT-4o (2024-08-06) $4.38 GPT-4o (2024-11-20) $4.38 GPT-5.6 Terra $4.50 GPT-5.6 Terra Pro $4.50 GPT-4.1 $3.50 o3 $3.50

Browse

All API-only models Open-weights alternatives Best value via API

Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.