GPT-6.1 Sol
by OpenAItext+image+file->text8 endpoints
Neura Intelligence Index
92.8/ 100
Rank
#14—
Confidence
lowBenchmarks
2(5% coverage)
Overview
GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional work, and multi-step business workflow automation, and approaches Astra-level results on these tasks at a much lower cost. Compared with GPT-6 Sol, it makes fewer factual errors and is more reliable at respecting explicit restrictions and user intent during agentic tasks.
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
Deterministic seed
Modalities
Input
FileImageText
Output
Text
Technical Specifications
Context Window
1.1M tokens
Max Output
128K tokens
Tokenizer
GPT
Content Moderation
Enabled
Uptime (24h)
10000.0%
Country
🇺🇸US
Release Date
September 29, 20263w
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity
Benchmark Performance
multimodal
| Benchmark | Score | Source |
|---|---|---|
| MMMU-Pro | 86.0 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| APEX Agents | 60 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$2.00
Output$10.00
Cache read$0.10
Cache write$2.50
Added
September 29, 2026
Last synced 10/23/2026