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Auto Code vs GPT-6.1 Terra

Detailed technical comparison between Auto Code (OpenRouter) and GPT-6.1 Terra (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

Auto Code: 3 WinsvsGPT-6.1 Terra: 3 Wins
Context Leader

Auto Code

2,000,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Tie

Equal Pricing
OpenRouteractive

Auto Code

Auto Code is OpenRouter’s router built specifically for coding agents and harnesses. It uses the same routing engine as the [Auto Router](https://openrouter.ai/openrouter/auto), with every request treated as part of an...

View Auto Code Full Specs →
OpenAIactive

GPT-6.1 Terra

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...

View GPT-6.1 Terra Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationAuto CodeGPT-6.1 Terra
ProviderOpenRouterOpenAI
Context Window2,000,000 tokens🏆1,050,000 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityNot verifiedNot verified
API AvailableYesYes
Released Date2026-11-052026-10-26

API Pricing Comparison

Input Price per Million Tokens

Auto Code

Not listed

GPT-6.1 Terra

$1.00

Output Price per Million Tokens

Auto Code

Not listed

GPT-6.1 Terra

$5.00

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
81.2%vs79.8%+1.4% Auto Code
Auto Code 🏆
GPT-6.1 Terra
HumanEvalPython coding & logic synthesis
91.4%vs78.0%+13.4% Auto Code
Auto Code 🏆
GPT-6.1 Terra
MATHComplex mathematical problem solving
56.6%vs55.2%+1.4% Auto Code
Auto Code 🏆
GPT-6.1 Terra
GPQAGraduate-level expert reasoning
38.6%vs40.6%+2.0% GPT-6.1 Terra
Auto Code
GPT-6.1 Terra 🏆
HellaSwagCommonsense reasoning and inference
80.8%vs82.8%+2.0% GPT-6.1 Terra
Auto Code
GPT-6.1 Terra 🏆
MT-BenchMulti-turn conversation flow quality
8.3%vs8.5%+0.2% GPT-6.1 Terra
Auto Code
GPT-6.1 Terra 🏆

Auto Code Quirks & Gotchas

No developer gotchas reported.

GPT-6.1 Terra Quirks & Gotchas

No developer gotchas reported.

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