同性能下最高性价比 AI 模型:OpenAI 发布 GPT-6.1 Sol,性能媲美 Astra、费用仅为 1/5The Most Cost-Effective AI Model at the Same Performance: OpenAI Releases GPT-6.1 Sol, Performance Comparable to Astra at Only 1/5 the Cost


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IT之家 9 月 30 日消息,在今天召开的 OpenAI 开发者活动日中,官方正式宣布推出 GPT-6.1 Sol 模型,在表现接近 Astra 的同时,其费用仅为 Astra 的五分之一,官方称这是“在当下同等表现下性价比最高的模型”。

同性能下最高性价比 AI 模型:OpenAI 发布 GPT-6.1 Sol,性能媲美 Astra、费用仅为 1/5

GPT‑6 Astra 是 OpenAI 在 2026 年 9 月推出的旗舰级大语言模型,官方定位是“迄今最智能、最对齐(最符合人类意图)”的模型,重点面向长程多步骤任务与专业工作流。

费用维度,依据官网公布的费用细节,IT之家附上相关售价信息如下:

gpt-6.1-sol 全模式定价表(短上下文,输入 tokens ≤ 272,000)

模式输入 (Input)缓存输入 (Cached input)缓存写入 (Cache writes)输出 (Output)
Standard(标准)$2.00$0.10$2.50$10.00
Batch(批量)$1.00$0.05$1.25$5.00
Flex(弹性)$1.00$0.05$1.25$5.00
Fast(快速)$4.00$0.20$5.00$20.00

gpt-6.1-sol 全模式定价表(长上下文,输入 tokens > 272,000)

模式输入 (Input)缓存输入 (Cached input)缓存写入 (Cache writes)输出 (Output)
Standard(标准)$4.00$0.20$5.00$15.00
Batch(批量)$2.00$0.10$2.50$7.50
Flex(弹性)$2.00$0.10$2.50$7.50
Fast(快速)$8.00$0.40$10.00$30.00

上述 4 种处理模式区别如下:

模式处理速度适用情形
Standard(标准)正常速度日常开发、一般应用
Batch(批量)较慢(异步批量处理)非实时、大批量任务(如离线数据处理)
Flex(弹性)可变(依据负载动态调整)需要成本与速度平衡的情形
Fast(快速)最快(优先处理)对延迟敏感的应用(如实时对话、低延迟响应)

性价比维度,官方表示 GPT-6.1 Sol 模型每 100 万 Token 的缓存费用为 0.1 美元(IT之家注:现汇率约合 0.67 元人民币),相比较 GPT-6 Sol 模型定价低 50%。

同性能下最高性价比 AI 模型:OpenAI 发布 GPT-6.1 Sol,性能媲美 Astra、费用仅为 1/5

在表现维度,在智能体编程、电脑操作和专业工作流等任务上,表现接近旗舰 GPT‑6 Astra,但标准输入 / 输出 token 售价只有 Astra 的五分之一。

同性能下最高性价比 AI 模型:OpenAI 发布 GPT-6.1 Sol,性能媲美 Astra、费用仅为 1/5

除了“能干活”,GPT‑6.1 Sol 在可靠性与对齐维度也有改进:

同性能下最高性价比 AI 模型:OpenAI 发布 GPT-6.1 Sol,性能媲美 Astra、费用仅为 1/5

调用维度,自 9 月 29 日起向 ChatGPT Work 与 Codex 的 Plus / Pro / Business / Enterprise / Edu 使用者开放;开发者可借助 API 以 gpt-6.1-sol 调用。

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IT Home reported on Sep 30 that, at the OpenAI developer event held today, the company officially announced the GPT-6.1 Sol model, which delivers performance close to Astra while costing only one-fifth as much as Astra. The official stated that this is “the most cost-effective model today at comparable performance.”

The Most Cost-Effective AI Model at the Same Performance: OpenAI Releases GPT-6.1 Sol, Performance Comparable to Astra at Only 1/5 the Cost

GPT-6 Astra is OpenAI’s flagship large language model launched in September 2026, officially positioned as “the most intelligent and most aligned (most consistent with human intent) model to date,” with a focus on long-horizon multi-step tasks and professional workflows.

On the pricing dimension, based on the pricing details published on the official website, IT Home provides the relevant pricing information below:

gpt-6.1-sol full-mode pricing table (short context, input tokens ≤ 272,000)

gpt-6.1-sol full-mode pricing table (long context, input tokens > 272,000)

The differences among the four processing modes above are as follows:

On the cost-effectiveness dimension, the official stated that the GPT-6.1 Sol model’s cache cost is $0.1 per 1,000,000 tokens (IT Home note: approximately RMB 0.67 at the current exchange rate), which is 50% lower than the pricing of the GPT-6 Sol model.

The Most Cost-Effective AI Model at the Same Performance: OpenAI Releases GPT-6.1 Sol, Performance Comparable to Astra at Only 1/5 the Cost

On the performance dimension, for tasks such as agentic programming, computer operation, and professional workflows, its performance approaches that of the flagship GPT-6 Astra, while the standard input / output token price is only one-fifth that of Astra.

The Most Cost-Effective AI Model at the Same Performance: OpenAI Releases GPT-6.1 Sol, Performance Comparable to Astra at Only 1/5 the Cost

Beyond “being able to do work,” GPT-6.1 Sol also has improvements in the reliability and alignment dimensions:

The Most Cost-Effective AI Model at the Same Performance: OpenAI Releases GPT-6.1 Sol, Performance Comparable to Astra at Only 1/5 the Cost

On the access dimension, starting Sep 29, it is open to Plus / Pro / Business / Enterprise / Edu users of ChatGPT Work and Codex; developers can call it via the API as gpt-6.1-sol.

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