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Mistral Large 4 vs GPT-6.1 Terra Pro

Detailed technical comparison between Mistral Large 4 (Mistral) and GPT-6.1 Terra Pro (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

Mistral Large 4: 4 WinsvsGPT-6.1 Terra Pro: 2 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

Mistral Large 4

$0.70 / MTok
Mistralactive

Mistral Large 4

Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads. It offers a 1M-token context window with up...

View Mistral Large 4 Full Specs →
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 →

Technical Specifications

🏆 = Superior Spec
SpecificationMistral Large 4GPT-6.1 Terra Pro
ProviderMistralOpenAI
Context Window1,048,576 tokens1,050,000 tokens🏆
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelself hostablemanaged api
Production StabilityNot verifiedNot verified
API AvailableYesYes
Released Date2026-10-062026-10-26

API Pricing Comparison

Input Price per Million Tokens

Mistral Large 4

$0.70

GPT-6.1 Terra Pro

$1.00

Output Price per Million Tokens

Mistral Large 4

$2.10

GPT-6.1 Terra Pro

$5.00

💡 Cost Ratio: Mistral Large 4 is 1.4x 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
85.8%vs88.4%+2.6% GPT-6.1 Terra Pro
Mistral Large 4
GPT-6.1 Terra Pro 🏆
HumanEvalPython coding & logic synthesis
85.0%vs87.6%+2.6% GPT-6.1 Terra Pro
Mistral Large 4
GPT-6.1 Terra Pro 🏆
MATHComplex mathematical problem solving
66.2%vs65.4%+0.8% Mistral Large 4
Mistral Large 4 🏆
GPT-6.1 Terra Pro
GPQAGraduate-level expert reasoning
47.6%vs46.8%+0.8% Mistral Large 4
Mistral Large 4 🏆
GPT-6.1 Terra Pro
HellaSwagCommonsense reasoning and inference
86.8%vs86.0%+0.8% Mistral Large 4
Mistral Large 4 🏆
GPT-6.1 Terra Pro
MT-BenchMulti-turn conversation flow quality
8.9%vs8.9%+0.1% Mistral Large 4
Mistral Large 4 🏆
GPT-6.1 Terra Pro

Mistral Large 4 Quirks & Gotchas

No developer gotchas reported.

GPT-6.1 Terra Pro Quirks & Gotchas

No developer gotchas reported.

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