---
title: "OpenAI: GPT-6 Sol Pro — unrated, priced in this catalogue · Undominated.ai"
canonical: https://undominated.ai/models/openai__gpt-6-sol-pro/
description: "OpenAI: GPT-6 Sol Pro: $2.00/M in, $10.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero."
---

# OpenAI: GPT-6 Sol Pro — unrated, priced in this catalogue · Undominated.ai

> OpenAI: GPT-6 Sol Pro: $2.00/M in, $10.00/M out. No independent quality score in this catalogue — unrated, not ranked, not scored zero.

[Check base rates for this workload](/check/openai__gpt-6-sol-pro/) [Cheaper alternatives](/alternatives/) [Family](/families/gpt-6/) [Compare models](https://undominated.ai/compare/?models=openai%2Fgpt-6-sol-pro) Comparison context

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MODEL PROOF

# GPT-6 Sol Pro

OpenAI · 22 Sept 2026

 Balanced Summarise Chat Code gen Agentic

NOT INDEPENDENTLY RATED

## No independent LMArena score is published for this model.

 **$4.00** / 1M tokens Balanced · 3 tokens in per 1 out

Base context tier shown; inspect the complete context ladder below.

Evidence as of 23 Sept 2026

 [openrouter/models](https://openrouter.ai/api/v1/models) Independent LMArena score Not independently rated
 Context window 1.05M
 Maximum output 128K
 Input modalities file, image, text
 Output modalities text
 Published input price $2.00 / 1M tokens
 Published output price $10.00 / 1M tokens
 Pricing kind fixed
 Context tiers Tiered by context

Inspect [complete billing conditions](#billing-details) and endpoint terms below.

 Every price dimension · USD per million tokens

| Input | $2.00 /M |
| --- | --- |
| Output | $10.00 /M |
| Cached input | $0.200 /M |
| Cache write | $2.50 /M |
| Cache write 1h | Unknown /M |
| Reasoning | Unknown /M |
| Web search | $0.01 /call |

**The headline rate does not apply to a long-context workload.**

 Complete context ladder · 1 tier

| More than 272,000 tokens | $4.00 /M in (2×) $15.00 /M out $0.400 /M cached input $5.00 /M cache write |
| --- | --- |

### Who sells it

The same weights, different shops. Cheapest is not like-for-like when serving precision differs.

 6 provider offers · rates, limits and conditions

Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.

| Seller | Input | Output | Precision | Uptime (1d) |
| --- | --- | --- | --- | --- |
| Seller OpenAI openai/flex Endpoint terms Cached input /M $0.100 Context limit 1,050,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $1.00 | Output $5.00 | Precision undeclared | Uptime (1d) 100.00% |
| Seller OpenAI openai Endpoint terms Cached input /M $0.200 Context limit 1,050,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 100.00% | Input $2.00 | Output $10.00 | Precision undeclared | Uptime (1d) 99.99% |
| Seller Azure azure Endpoint terms Cached input /M $0.200 Context limit 1,050,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $2.00 | Output $10.00 | Precision undeclared | Uptime (1d) 99.73% |
| Seller Azure azure/us Endpoint terms Cached input /M $0.220 Context limit 1,050,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $2.20 | Output $11.00 | Precision undeclared | Uptime (1d) 100.00% |
| Seller Azure azure/eu Endpoint terms Cached input /M $0.220 Context limit 1,050,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $2.20 | Output $11.00 | Precision undeclared | Uptime (1d) 100.00% |
| Seller OpenAI openai/fast Endpoint terms Cached input /M $0.400 Context limit 1,050,000 tokens Output limit 128,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $4.00 | Output $20.00 | Precision undeclared | Uptime (1d) — |

### Independent scores

No independent benchmark has measured this model. Unrated is not a score of zero.

### Capability

| Context window | 1.1M |
| --- | --- |
| Max output | 128K |
| Input modes | file, image, text |
| Tool use | yes |
| Reasoning | optional |
| Open weights | Unknown |

### Provenance

| Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) |
| --- | --- |
| Fetched | 2026-09-23 |
| Quality data | unrated |

GPT-6 Sol Pro is the same underlying model as [GPT-6 Sol](https://openrouter.ai/openai/gpt-6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

## Questions this page answers

 What does GPT-6 Sol Pro cost?

$2.00/M in, $10.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.

 Does GPT-6 Sol Pro have an independent quality score?

GPT-6 Sol Pro has no independent quality score in this catalogue. Unrated is not a score of zero.

 What beats GPT-6 Sol Pro?

GPT-6 Sol Pro has no independent quality score. Unrated is not a score of zero.

 Does this page use Artificial Analysis scores for GPT-6 Sol Pro?

No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.

 Does a missing score mean GPT-6 Sol Pro scored zero?

Unrated is not a score of zero.

MODEL MONUMENT

## Save or share this proof

 Download proof card · 1200 × 630 Preview and more sharing options

OpenAI: GPT-6 Sol Pro. Balanced workload. Not independently rated. Evidence as of 23 Sept 2026.

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## Related

No independent quality score, so there is no dominator to name. Unrated is not a clean bill of health.

 - Same vendor [GPT-5.5](/models/openai__gpt-5.5/)
- OpenAI models [OpenAI](/providers/openai/)
- Where this model appears [cliffs](/cliffs/)
- Same vendor [GPT-5.6 Sol](/models/openai__gpt-5.6-sol/)
- Where this model appears [spreads](/spreads/)
- Same vendor [GPT-5.4](/models/openai__gpt-5.4/)
- Where this model appears [plans](/plans/)

## Badge

The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.

 Markdown Copy
 [![GPT-6 Sol Pro — Undominated.ai dominance verdict](https://undominated.ai/badge/openai__gpt-6-sol-pro.svg)](https://undominated.ai/models/openai__gpt-6-sol-pro/)
 HTML Copy
 <a href="https://undominated.ai/models/openai__gpt-6-sol-pro/"><img src="https://undominated.ai/badge/openai__gpt-6-sol-pro.svg" alt="GPT-6 Sol Pro — Undominated.ai dominance verdict" height="36"></a>

Direct file: [https://undominated.ai/badge/openai__gpt-6-sol-pro.svg](https://undominated.ai/badge/openai__gpt-6-sol-pro.svg) — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy.

## Continue your investigation

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- [Compare a shortlist](/compare/)
- [Check a model](/check/)
- [Understand the evidence](/methodology/)
