SHARE THIS:

GPT-6.1 Terra Pro vs Mistral Large 4

Detailed technical comparison between GPT-6.1 Terra Pro (OpenAI) and Mistral Large 4 (Mistral). 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 WinsvsMistral Large 4: 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

Mistral Large 4

$0.70 / 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 →
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 →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-6.1 Terra ProMistral Large 4
ProviderOpenAIMistral
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 apiself hostable
Production StabilityNot verifiedNot verified
API AvailableYesYes
Released Date2026-10-262026-10-06

API Pricing Comparison

Input Price per Million Tokens

GPT-6.1 Terra Pro

$1.00

Mistral Large 4

$0.70

Output Price per Million Tokens

GPT-6.1 Terra Pro

$5.00

Mistral Large 4

$2.10

💡 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.

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%vs85.8%+2.6% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
Mistral Large 4
HumanEvalPython coding & logic synthesis
87.6%vs85.0%+2.6% GPT-6.1 Terra Pro
GPT-6.1 Terra Pro 🏆
Mistral Large 4
MATHComplex mathematical problem solving
65.4%vs66.2%+0.8% Mistral Large 4
GPT-6.1 Terra Pro
Mistral Large 4 🏆
GPQAGraduate-level expert reasoning
46.8%vs47.6%+0.8% Mistral Large 4
GPT-6.1 Terra Pro
Mistral Large 4 🏆
HellaSwagCommonsense reasoning and inference
86.0%vs86.8%+0.8% Mistral Large 4
GPT-6.1 Terra Pro
Mistral Large 4 🏆
MT-BenchMulti-turn conversation flow quality
8.9%vs8.9%+0.1% Mistral Large 4
GPT-6.1 Terra Pro
Mistral Large 4 🏆

GPT-6.1 Terra Pro Quirks & Gotchas

No developer gotchas reported.

Mistral Large 4 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 GPT-6.1 Terra

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.