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OpenAI

GPT-5.6 Terra

CClosed

The upper mid-tier of OpenAI's GPT-5.6 generation at $2.00/$12.00 per million tokens with a 1.05M-token context, sitting between Sol ($2/$10) and the Pro tier.

API Pricing

Input

$2

Output

$12

Cached input

—

Peak hours

—

USD / 1M tokens

※ OpenRouter 实测（2026-10）：输入 $2.00 / 输出 $12.00（美元/百万 tokens）

Price sourceopenrouter.ai ↗developers.openai.com ↗

Latest change：Up 386.1% vs previous（$0.847 → $4.118 / 1M）

Price history

8 snapshots · 2026-07-18 → 2026-08-17

Current: $4.118Period low: $0.847 (2026-07-18)Period high: $4.118 (2026-08-17)First tracked: $0.847 (2026-07-18)

Specifications

Context window
1.05M Tokens
Max output
128K Tokens
License
Closed

Overall score

Total

46.5

Rank

#22

Tier

C

Data confidence

70%

Capability67
Scale35
Value40
Context44.1
Ecosystem21
Freshness35

Capabilities & use cases

Best for

  • 高质量通用推理
  • 长文档分析
  • 复杂 Agent 任务
  • 企业知识问答

Official links

Website ↗API platform ↗Pricing page ↗Open in comparator ↗

Same vendor

GPT-6.1 SolGPT-6 AstraGPT-5.6 LunaGPT-5.6 SolGPT-6 LunaGPT-5 Nano

Similar price

Gemini 3.0 Pro $12Claude Sonnet 5.5 $10Gemini 4 Argon $10Kimi K3 $15Qwen3.8-Max（通义千问） $6Grok 4.5 $6

FAQ

What does GPT-5.6 Terra cost?
GPT-5.6 Terra is priced at $12 output and $2 input (USD per 1M tokens)
How large is the context window of GPT-5.6 Terra?
GPT-5.6 Terra has a 1.05M Tokens context window with up to 128K Tokens output.
Where can I access GPT-5.6 Terra?
Official channels: Website and API platform.

Data is refreshed daily and cross-checked against two independent sources; please confirm pricing and specs on the vendor page.