OpenAIVerified Active: October 30, 2026

GPT-6.1 TerraAPI Pricing & Specifications

OpenAI's high-efficiency mid-tier model engineered for high-volume agentic automation, invoice processing, and computer use.

📊 Core Specifications & Pricing Rates

Standard Input
$1.00 / 1M tokens
Standard Output
$5.00 / 1M tokens
Cached Input
$0.0500 / 1M tokens
Cache Write
$1.25 / 1M tokens
Context Window
1M (1,000,000 tokens)
Max Output Tokens
64,000 tokens
Supported Capabilities:✓ Vision✓ Function Calling / Tools✓ JSON Mode✓ Deep Reasoning
📦 Asynchronous Batch API Supported: Official provider documentation offers a 50% discount on non-streaming 24h batch requests.

Live Workload Cost Estimator: GPT-6.1 Terra

Adjust token volumes to simulate your exact monthly API bill.

Interactive Simulation
Estimated 60% repeated context
Estimated Total Monthly Cost
$66.13/ month
$0.00264 per API request(Saves $21.38/mo with caching)
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💡 Estimated Monthly Workload Scenarios

Automated Invoice & Document Extraction

$275.00/mo

50,000 invoices with vision analysis (3,000 input, 500 output)

50,000 requests • 3000 in / 500 out

⚖️ Head-to-Head Competitor Comparisons

GPT-6.1 Terra vs. Claude Sonnet 5

GPT-6.1 Terra is 50% cheaper on both input ($1 vs $2) and output ($5 vs $10) than Sonnet 5, while Sonnet 5 offers deeper architectural coding proofs.

2x cheaper than Claude Sonnet 5View Claude Sonnet 5 →

📜 Historical Price Changes & Updates

2026-10-26
GPT-6.1 Terra released at $1.00 input / $5.00 output per 1M tokens ($0.05 cached input).

🔗 Verified Primary Sources

All pricing, token limits, and capabilities are cross-checked against official provider documentation and live API endpoints.

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