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GPT-6.1 Terra Pro vs Mistral Medium 3.5

GPT-6.1 Terra Pro

OpenAI

40#180
vs
Mistral Medium 3.5

Mistral AI

40#318
Signal-by-Signal Comparison
SignalGPT-6.1 Terra ProDeltaMistral Medium 3.5
Capabilities
100
+17
83
Pricing
95
+3
93
Context window size
96
+10
86
Recency
100
+2
98
Output Capacity
82
-3
85
Overall Result
4 wins
of 5
1 wins
GPT-6.1 Terra Pro wins 4 of 5 signals

Score History

Score History (27 data points)
GPT-6.1 Terra ProMistral Medium 3.5
GPT-6.1 Terra Pro

40

current score

Leader

Tied

right now

Mistral Medium 3.5

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

GPT-6.1 Terra Pro

OpenAI

Best Value
Per request$0.003500
Daily$11.67
Monthly$350.00
Annual$4200.00

Mistral Medium 3.5

Mistral AI

Per request$0.005250
Daily$17.50
Monthly$525.00
Annual$6300.00

GPT-6.1 Terra Pro saves you $175.00/month

That's $2100.00/year compared to Mistral Medium 3.5 at your current usage level of 100K calls/month.

33% cheaper
Choose GPT-6.1 Terra Pro for cost optimization

GPT-6.1 Terra Pro pricing:
Input:$1.00/M tokens
Output:$5.00/M tokens
Mistral Medium 3.5 pricing:
Input:$1.50/M tokens
Output:$7.50/M tokens
Tie
GPT-6.1 Terra Pro

OpenAI

40

Composite Score

Tie
Mistral Medium 3.5

Mistral AI

40

Composite Score

Signal-by-Signal Comparison
MetricGPT-6.1 Terra ProMistral Medium 3.5Winner
Overall Score
40
40
--
Rank#180#318
GPT-6.1 Terra Pro
Quality Rank#180#318
GPT-6.1 Terra Pro
Adoption Rank#180#318
GPT-6.1 Terra Pro
Parameters------
Context Window1050K262K
GPT-6.1 Terra Pro
Pricing$1.00/$5.00/M$1.50/$7.50/M--
Signal Scores
Capabilities
100
83
GPT-6.1 Terra Pro
Pricing
95
93
GPT-6.1 Terra Pro
Context window size
96
86
GPT-6.1 Terra Pro
Recency
100
98
GPT-6.1 Terra Pro
Output Capacity
82
85
Mistral Medium 3.5
Benchmark Head-to-Head(1 benchmarks)
GPT-6.1 Terra: 0Mistral Medium: 0
GPT-6.1 Terra
Mistral Medium
Normalized 0-100%
HLE
-4.52%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

GPT-6.1 Terra ProEntry Level

Scores 40/100 (rank #180), placing it in the top 38% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Mistral Medium 3.5Entry Level

Scores 40/100 (rank #318), placing it in the top -9% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose GPT-6.1 Terra Pro when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (1050K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Mistral Medium 3.5 when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-6.1 Terra ProBest Value
Input cost$1.00/M tokens
Output cost$5.00/M tokens
Cost per quality point$0.150
Est. monthly (1M tokens/day)$90.00
Mistral Medium 3.5
Input cost$1.50/M tokens
Output cost$7.50/M tokens
Cost per quality point$0.225
Est. monthly (1M tokens/day)$135.00

GPT-6.1 Terra Pro offers 33% better value per quality point. At 1M tokens/day, you'd spend $90.00/month with GPT-6.1 Terra Pro vs $135.00/month with Mistral Medium 3.5 - a $45.00 monthly difference.

Latency & Speed
GPT-6.1 Terra ProFaster
Speed score0/100
Mistral Medium 3.5
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

GPT-6.1 Terra Pro

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-6.1 Terra Pro also offers lower per-token costs for high-volume support

GPT-6.1 Terra Pro

Long document analysis

Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-6.1 Terra Pro

Batch data extraction

Lower output pricing ($5.00/M) reduces costs when processing thousands of records daily

GPT-6.1 Terra Pro

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

GPT-6.1 Terra Pro

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-6.1 Terra Pro
Which Should You Choose?
Our recommendation:
GPT-6.1 Terra Pro

GPT-6.1 Terra Pro and Mistral Medium 3.5 are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 33% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Mistral AI

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-6.1 Terra ProMistral Medium 3.5
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-6.1 Terra Pro

OpenAI

Best Value
$7.80
estimated monthly cost

Mistral Medium 3.5

Mistral AI

$11.70
estimated monthly cost

GPT-6.1 Terra Pro saves you $3.90/month

That's 33% cheaper than Mistral Medium 3.5 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGPT-6.1 Terra ProMistral Medium 3.5
Context Window1.1M262K
Max Output Tokens128,000209,715
Open SourceNoNo
CreatedOct 26, 2026Apr 30, 2026
Last updated: 45m ago

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GPT-6.1 Terra Pro vs Mistral Medium 3.5 (2026) | LM Market Cap