Which is more popular, Ollama or OpenAI Developers Responses API reference?

Ollama has more GitHub stars (182,051 vs 2,540).

Which is more actively developed, Ollama or OpenAI Developers Responses API reference?

Ollama had more commits in the last 90 days (297 vs 184).

Should I use Ollama or OpenAI Developers Responses API reference?

Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.

Ollama vs OpenAI Developers Responses API reference

Side-by-side comparison of two AI agent tools

Short answer

Ollama is growing faster: +2,499 GitHub stars in the last 30 days vs +31 for OpenAI Developers Responses API reference.
Pick Ollama for: get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models. Pick OpenAI Developers Responses API reference for: openAPI specification for the OpenAI API.

From GitHub data refreshed daily.

Ollamaopen-source

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

OpenAI Developers Responses API referenceopen-source

OpenAPI specification for the OpenAI API

Metrics

	Ollama	OpenAI Developers Responses API reference
Stars	182.1k	2.5k
Star velocity /mo	2.5k	30.79365079365079
Commits (90d)	297	184
Releases (6m)	10	0
Overall score	0.8565267401746319	0.5315474298045701

Pros

+完全本地运行，确保数据隐私和安全，无需将敏感信息发送到外部服务器
+支持广泛的开源模型生态，包括最新的 Kimi-K2.5、GLM-5、DeepSeek 等前沿模型
+丰富的集成生态系统，可与 Claude Code、OpenClaw 等工具连接，快速构建跨平台 AI 应用

+官方维护的权威API规范，确保文档的准确性和时效性
+提供自动更新和手动维护两个版本，满足不同使用场景的需求
+标准OpenAPI格式支持自动生成客户端代码和API文档

Cons

-依赖本地计算资源，运行大型模型需要较高的 CPU/GPU 和内存配置
-模型推理速度受限于本地硬件性能，可能不如云端专用硬件快
-需要手动管理模型版本更新和依赖关系

-作为规范文档而非可执行工具，需要配合其他工具才能发挥价值
-手动维护版本可能存在更新滞后的问题
-对于初学者来说，直接阅读OpenAPI规范可能存在一定的技术门槛

Use Cases

•企业级私有部署，在内网环境中运行大语言模型，确保敏感数据不外泄
•开发者工具集成，通过 Claude Code 等编码助手在本地环境中获得 AI 代码建议
•多平台聊天机器人开发，使用 OpenClaw 将本地模型部署到 Slack、Discord 等通讯平台

•使用OpenAPI生成工具自动创建各种编程语言的OpenAI API客户端库
•在API开发工具中导入规范以进行接口测试和调试
•基于规范文档构建自定义的API集成工具和中间件服务

View Ollama Details View OpenAI Developers Responses API reference Details

FAQ

Which is more popular, Ollama or OpenAI Developers Responses API reference?: Ollama has more GitHub stars (182,051 vs 2,540).
Which is more actively developed, Ollama or OpenAI Developers Responses API reference?: Ollama had more commits in the last 90 days (297 vs 184).
Should I use Ollama or OpenAI Developers Responses API reference?: Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.