Tuesday, July 7, 2026 · No. 345Prices synced 1 hour ago
All·AI·Model

The AI Model Price Index

OpenAI o3

by Helicone · family o · listed Jun 2024TV

O-series reasoning model for hard analysis, math, coding, and planning

Current rates USD per 1M tokens

Input$2.00
Output$8.00
Cache read$0.50
Cache write

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Grok 4.3Grok 4.3: $1.25 per 1M tokens$1.25Gemini 3.5 FlashGemini 3.5 Flash: $1.50 per 1M tokens$1.50Mistral Medium (latest)Mistral Medium (latest): $1.50 per 1M tokens$1.50OpenAI o3OpenAI o3: $2.00 per 1M tokens$2.00Claude Sonnet 5Claude Sonnet 5: $2.00 per 1M tokens$2.00GPT-5.5 ProGPT-5.5 Pro: $30.00 per 1M tokens$30.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.28 per 1M tokens$0.28Grok 4.3Grok 4.3: $2.50 per 1M tokens$2.50Qwen3.7 PlusQwen3.7 Plus: $3.00 per 1M tokens$3.00Mistral Medium (latest)Mistral Medium (latest): $7.50 per 1M tokens$7.50OpenAI o3OpenAI o3: $8.00 per 1M tokens$8.00Gemini 3.5 FlashGemini 3.5 Flash: $9.00 per 1M tokens$9.00Claude Sonnet 5Claude Sonnet 5: $10.00 per 1M tokens$10.00GPT-5.5 ProGPT-5.5 Pro: $180 per 1M tokens$180

On the record

Model id
o3
Context window
200K tokens
Max output
100K tokens
Input modalities
text, image
Output modalities
text
Reasoning
no
Tool calls
yes
Open weights
no
Knowledge cutoff
Jun 2024
Released
2024-06-01
Last updated
2024-06-01
Provider docs
helicone.ai/models

Back of the envelope

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