Thursday, August 13, 2026 · No. 382Prices synced 5 hours ago
All·AI·Model

The AI Model Price Index

GPT-5.6 Terra

by Kilo Gateway · family gpt-terra · listed Jul 2026RTV

GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...

Current rates USD per 1M tokens

Input$2.00
Output$12.00
Cache read$0.20
Cache write$2.50

Against the market

Input price vs. maker flagships ($/1M tokens)
Gemini 3.5 Flash LiteGemini 3.5 Flash Lite: $0.30 per 1M tokens$0.30DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Mistral Medium (latest)Mistral Medium (latest): $1.50 per 1M tokens$1.50GPT-5.6 TerraGPT-5.6 Terra: $2.00 per 1M tokens$2.00Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Gemini 3.5 Flash LiteGemini 3.5 Flash Lite: $2.50 per 1M tokens$2.50Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium (latest)Mistral Medium (latest): $7.50 per 1M tokens$7.50GPT-5.6 TerraGPT-5.6 Terra: $12.00 per 1M tokens$12.00Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
openai/gpt-5.6-terra
Context window
1.1M tokens
Max output
128K tokens
Input modalities
text, image, pdf
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
Feb 2026
Released
2026-07-09
Last updated
2026-07-09
Provider docs
kilo.ai

Back of the envelope

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