GPT-6.1 Sol

Name: GPT-6.1 Sol
Price: 2 USD
Author: OpenAI

GPT-6.1vSolCurrent

OpenAI(ai lab)

Released September 29, 2026

API Docs Playground

Context1.1M tokens

Price (In / Out)$2.00/M / $10.00/M

Training Cutoff2026-04-30

CategoryLarge Language Model

Max Output128K tokens

About GPT-6.1 Sol

GPT-6.1 Sol is OpenAI's proprietary reasoning model for coding, computer use, and professional workflows. The gpt-6.1-sol API model accepts text and images and returns text. OpenAI documents a 1,050,000-token context window, 922,000 maximum input tokens, and 128,000 maximum output tokens. OpenAI reports first-party HealthBench results; Artificial Analysis independently evaluated the max-effort configuration under its v4.3.2 Intelligence Index.

Capabilities

textvisionreasoningcodingtool usecomputer uselong contextcontext caching

Input Modalities

textimage

Output Modalities

text

Technical Details

API Identifier: gpt-6.1-sol
Category: Large Language Model
Context Window: 1,050,000 tokens
Max Output Tokens: 128,000 tokens

Benchmarks

Performance scores for GPT-6.1 Sol across standard benchmarks.

HealthBench Professional length-adjustedOpenAI

64.2%

HealthBench length-adjustedOpenAI

58.5%

HealthBench Hard length-adjustedOpenAI

36.2%

HealthBench Consensus length-adjustedOpenAI

96%

Artificial Analysis Intelligence Index v4.3.2Artificial Analysis

51.8332597011541%

Pricing

Token pricing for GPT-6.1 Sol API usage.

Input Tokens

$2.00/M

per million tokens

Output Tokens

$10.00/M

per million tokens

Pricing Calculator

Input tokens/month

Output tokens/month

Input cost$2.00

Output cost$5.00

Estimated monthly cost$7.00

OpenAI Standard API, USD per million tokens for prompts with at most 272K input tokens: $2 input, $0.10 cached input, $2.50 cache writes, $10 output. Above 272K input, 2x input/cache and 1.5x output apply to the entire request. Fast mode is 2x Standard (not available with EU data residency); Batch and Flex are 50% below Standard. Regional processing adds 10% where available. Reasoning output tokens are billed as output. The maximum input limit is 922K tokens.

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