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GPT-6.1 Terra Pro vs MiniMax M3.1 Flash

Detailed technical comparison between GPT-6.1 Terra Pro (OpenAI) and MiniMax M3.1 Flash (MiniMax). 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: 2 WinsvsMiniMax M3.1 Flash: 4 Wins
Context Leader

GPT-6.1 Terra Pro

1,050,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

MiniMax M3.1 Flash

$0.07 / MTok
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 →
MiniMaxactive

MiniMax M3.1 Flash

MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,...

View MiniMax M3.1 Flash Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-6.1 Terra ProMiniMax M3.1 Flash
ProviderOpenAIMiniMax
Context Window1,050,000 tokens🏆1,048,576 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 Date2026-10-262026-10-19

API Pricing Comparison

Input Price per Million Tokens

GPT-6.1 Terra Pro

$1.00

MiniMax M3.1 Flash

$0.07

Output Price per Million Tokens

GPT-6.1 Terra Pro

$5.00

MiniMax M3.1 Flash

$0.30

💡 Cost Ratio: MiniMax M3.1 Flash is 13.3x cheaper per input token than GPT-6.1 Terra Pro.

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.

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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%vs87.6%+0.8% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
MiniMax M3.1 Flash
HumanEvalPython coding & logic synthesis
87.6%vs86.8%+0.8% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
MiniMax M3.1 Flash
MATHComplex mathematical problem solving
65.4%vs68.0%+2.6% MiniMax M3.1 Flash
GPT-6.1 Terra Pro
MiniMax M3.1 Flash 🏆
GPQAGraduate-level expert reasoning
46.8%vs49.4%+2.6% MiniMax M3.1 Flash
GPT-6.1 Terra Pro
MiniMax M3.1 Flash 🏆
HellaSwagCommonsense reasoning and inference
86.0%vs88.6%+2.6% MiniMax M3.1 Flash
GPT-6.1 Terra Pro
MiniMax M3.1 Flash 🏆
MT-BenchMulti-turn conversation flow quality
8.9%vs9.1%+0.3% MiniMax M3.1 Flash
GPT-6.1 Terra Pro
MiniMax M3.1 Flash 🏆

GPT-6.1 Terra Pro Quirks & Gotchas

No developer gotchas reported.

MiniMax M3.1 Flash Quirks & Gotchas

No developer gotchas reported.

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