Question 1

What is Helicone?

Accepted Answer

Open-source observability, logging, caching, and analytics platform for LLM applications.

Question 2

How much does Helicone cost?

Accepted Answer

Freemium.

Question 3

Is Helicone open source?

Accepted Answer

Yes, Helicone is open source under the Open Source license.

Question 4

What programming languages does Helicone support?

Accepted Answer

Python, TypeScript.

Question 5

What integrations does Helicone offer?

Accepted Answer

Logging, Caching, Tracing.

Question 6

What AI models does Helicone offer?

Accepted Answer

Anthropic: Claude Opus 4.5 (200K context), Google Gemini 3 Pro Preview (1049K context), xAI Grok 4.1 Fast Non-Reasoning (2000K context), xAI Grok 4.1 Fast Reasoning (2000K context), Kimi K2 Thinking (256K context), Anthropic: Claude 4.5 Haiku (200K context), Anthropic: Claude 4.5 Haiku (20251001) (200K context), Anthropic: Claude Sonnet 4.5 (200K context), Anthropic: Claude Sonnet 4.5 (20250929) (200K context), Qwen3 VL 235B A22B Instruct (256K context), DeepSeek V3.1 Terminus (128K context), DeepSeek V3.2 (164K context), xAI Grok 4 Fast Non-Reasoning (2000K context), Kimi K2 (09/05) (262K context), xAI: Grok 4 Fast Reasoning (2000K context), Anthropic: Claude Opus 4.1 (200K context), Anthropic: Claude Opus 4.1 (20250805) (200K context), Qwen3 Coder 30B A3B Instruct (262K context), Qwen3 235B A22B Thinking (262K context), Qwen3 Coder 480B A35B Instruct Turbo (262K context), Google Gemini 2.5 Flash Lite (1049K context), DeepSeek TNG R1T2 Chimera (130K context), Google Gemini 2.5 Flash (1049K context), Google Gemini 2.5 Pro (1049K context), Qwen3 30B A3B (41K context), Anthropic: Claude Opus 4 (200K context), Anthropic: Claude Sonnet 4 (200K context), Qwen3 32B (131K context), OpenAI GPT-4.1 (1048K context), OpenAI GPT-4.1 Mini (1048K context), OpenAI GPT-4.1 Mini (1048K context), OpenAI GPT-4.1 Nano (1048K context), Baidu Ernie 4.5 21B A3B Thinking (128K context), Anthropic: Claude 3.7 Sonnet (200K context), Perplexity Sonar (127K context), Perplexity Sonar Deep Research (127K context), Perplexity Sonar Pro (200K context), Perplexity Sonar Reasoning (127K context), Perplexity Sonar Reasoning Pro (127K context), DeepSeek R1 Distill Llama 70B (128K context), DeepSeek Reasoner (128K context), Kimi K2 (07/11) (131K context), Meta Llama 4 Maverick 17B 128E (131K context), Meta Llama 4 Scout 17B 16E (131K context), Meta Llama Guard 4 12B (131K context), OpenAI Codex Mini Latest (200K context), OpenAI GPT-5 (400K context), OpenAI GPT-5 Mini (400K context), OpenAI GPT-5 Nano (400K context), OpenAI GPT-5.1 (400K context), OpenAI GPT-5.1 Chat (128K context), OpenAI: GPT-5 Codex (400K context), OpenAI: GPT-5 Pro (128K context), OpenAI: GPT-5.1 Codex (400K context), OpenAI: GPT-5.1 Codex Mini (400K context), OpenAI: o1 (200K context), OpenAI: o1-mini (128K context), Qwen3 Next 80B A3B Instruct (262K context), DeepSeek V3 (128K context), Meta Llama 3.3 70B Instruct (128K context), Meta Llama 3.3 70B Versatile (131K context), Google Gemma 3 12B (131K context), Anthropic: Claude 3.5 Haiku (200K context), Anthropic: Claude 3.5 Sonnet v2 (200K context), Meta Llama Prompt Guard 2 22M (1K context), Meta Llama Prompt Guard 2 86M (1K context), OpenAI GPT-5 Chat Latest (128K context), Qwen2.5 Coder 7B fast (32K context), xAI Grok Code Fast 1 (256K context), OpenAI ChatGPT-4o (128K context), Mistral-Large (128K context), Meta Llama 3.1 8B Instruct (16K context), Meta Llama 3.1 8B Instruct Turbo (128K context), Mistral Nemo (128K context), OpenAI GPT-4o-mini (128K context), Zai GLM-4.6 (205K context), xAI Grok 4 (256K context), Meta Llama 3.1 8B Instant (131K context), Google Gemma 2 (8K context), OpenAI GPT-OSS 120b (131K context), OpenAI GPT-OSS 20b (131K context), OpenAI o3 (200K context), OpenAI o3 Pro (200K context), OpenAI o4 Mini (200K context), xAI Grok 3 (131K context), xAI Grok 3 Mini (131K context), Hermes 2 Pro Llama 3 8B (131K context), OpenAI GPT-4o (128K context), Anthropic: Claude 3 Haiku (200K context), Mistral Small (128K context), OpenAI o3 Mini (200K context).

Question 7

Who makes Helicone?

Accepted Answer

Helicone is developed by Helicone.

Helicone

How it performs on Versalist

Challenges using Helicone

Prompts for Helicone

About Helicone

Models

Anthropic: Claude Opus 4.5

Google Gemini 3 Pro Preview

xAI Grok 4.1 Fast Non-Reasoning

xAI Grok 4.1 Fast Reasoning

Kimi K2 Thinking

Anthropic: Claude 4.5 Haiku

Anthropic: Claude 4.5 Haiku (20251001)

Anthropic: Claude Sonnet 4.5

Anthropic: Claude Sonnet 4.5 (20250929)

Qwen3 VL 235B A22B Instruct

DeepSeek V3.1 Terminus

DeepSeek V3.2

Integrations

Logging

Caching

Tracing

Similar Tools

Frequently Asked Questions about Helicone