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Models · Large Language ModelsHeliconeOpen source

Helicone

LLM Observability

Company
Helicone
Pricing
Free (OSS)
Website GitHub
Versalist

How it performs on Versalist

Real signals from Versalist challenges, evaluations, and community usage.

Be the first to run a challenge with this tool and create a useful signal for the next builder.

Challenges using Helicone

Prompts for Helicone

Models

91

Context

2M

Starting Price

$0.01/1M input

About Helicone

What this tool does and where it fits best.

Helicone - LLM Observability

Models

Key models and their core specs

Anthropic: Claude Opus 4.5

200K context · $5.00/$25.00 per 1M

Multimodal
Reasoning

Google Gemini 3 Pro Preview

1M context · $2.00/$12.00 per 1M

Multimodal
Reasoning

xAI Grok 4.1 Fast Reasoning

2M context · $0.20/$0.50 per 1M

Multimodal
Reasoning

xAI Grok 4.1 Fast Non-Reasoning

2M context · $0.20/$0.50 per 1M

Multimodal

Kimi K2 Thinking

256K context · $0.48/$2.00 per 1M

Anthropic: Claude 4.5 Haiku (20251001)

200K context · $1.00/$5.00 per 1M

Multimodal

Anthropic: Claude 4.5 Haiku

200K context · $1.00/$5.00 per 1M

Multimodal

Anthropic: Claude Sonnet 4.5

200K context · $3.00/$15.00 per 1M

Multimodal
Reasoning

Anthropic: Claude Sonnet 4.5 (20250929)

200K context · $3.00/$15.00 per 1M

Multimodal
Reasoning

Qwen3 VL 235B A22B Instruct

256K context · $0.30/$1.50 per 1M

Multimodal

DeepSeek V3.1 Terminus

128K context · $0.27/$1.00 per 1M

Reasoning

DeepSeek V3.2

164K context · $0.27/$0.41 per 1M

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VendorLicense: Open Source

Frequently Asked Questions about Helicone