SHARE THIS:

GPT-6.1 Terra Pro vs GPT-6.1 Terra

Detailed technical comparison between GPT-6.1 Terra Pro (OpenAI) 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

GPT-6.1 Terra Pro: 6 WinsvsGPT-6.1 Terra: 0 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Tie

Equal Pricing
OpenAIactive

GPT-6.1 Terra Pro

GPT-6.1 Terra Pro is the same underlying model as [GPT-6.1 Terra](https://openrouter.ai/openai/gpt-6.1-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

View GPT-6.1 Terra Pro 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
SpecificationGPT-6.1 Terra ProGPT-6.1 Terra
ProviderOpenAIOpenAI
Context Window1,050,000 tokens1,050,000 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 Date2026-10-262026-10-26

API Pricing Comparison

Input Price per Million Tokens

GPT-6.1 Terra Pro

$1.00

GPT-6.1 Terra

$1.00

Output Price per Million Tokens

GPT-6.1 Terra Pro

$5.00

GPT-6.1 Terra

$5.00

💡 Cost Ratio: Both models offer identical input token pricing ($1.00 / MTok).

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.

Open Live Sandbox Playground →

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
88.4%vs79.8%+8.6% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
GPT-6.1 Terra
HumanEvalPython coding & logic synthesis
87.6%vs78.0%+9.6% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
GPT-6.1 Terra
MATHComplex mathematical problem solving
65.4%vs55.2%+10.2% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
GPT-6.1 Terra
GPQAGraduate-level expert reasoning
46.8%vs40.6%+6.2% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
GPT-6.1 Terra
HellaSwagCommonsense reasoning and inference
86.0%vs82.8%+3.2% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
GPT-6.1 Terra
MT-BenchMulti-turn conversation flow quality
8.9%vs8.5%+0.3% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
GPT-6.1 Terra

GPT-6.1 Terra Pro Quirks & Gotchas

No developer gotchas reported.

GPT-6.1 Terra Quirks & Gotchas

No developer gotchas reported.

Explore Other Popular Comparisons

SIDE-BY-SIDE REVIEW

GPT-6.1 Terra Pro vs GLM 5.3 FlashX Legal

Compare context windows, live API token prices, and benchmark scores.

SIDE-BY-SIDE REVIEW

GPT-6.1 Terra Pro vs Kimi K3.1 Pro

Compare context windows, live API token prices, and benchmark scores.

SIDE-BY-SIDE REVIEW

GPT-6.1 Terra Pro vs MiniMax M3.1 Flash

Compare context windows, live API token prices, and benchmark scores.

SIDE-BY-SIDE REVIEW

GPT-6.1 Terra Pro vs DeepSeek V4.1 Flash 1017

Compare context windows, live API token prices, and benchmark scores.

SIDE-BY-SIDE REVIEW

GPT-6.1 Terra Pro vs Mercury 3

Compare context windows, live API token prices, and benchmark scores.

SIDE-BY-SIDE REVIEW

GPT-6.1 Terra Pro vs Muse Spark Open

Compare context windows, live API token prices, and benchmark scores.