GPT-6.1 Terra vs Mistral Medium 3.5

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
VS
Mistral AI

Mistral Medium 3.5

Mistral AI
$1.50 / $7.50
Input / Output · per 1M tokens
Compare different models
OpenAI
Mistral AI
Verdict: GPT-6.1 Terra is 33% cheaper than Mistral Medium 3.5 on a typical 3:1 input/output mix. GPT-6.1 Terra scores higher on the Artificial Analysis Intelligence Index (51.3 vs 4.6). GPT-6.1 Terra has the larger context window (1.1M vs 262K).
GPT-6.1 TerraMistral Medium 3.5
Input price / 1M$1.00$1.50
Output price / 1M$5.00$7.50
Blended price (3:1)$2.00$3.00
Cached input / 1M$0.05—
Context window1.1M262K
Max output128K210K
Intelligence index51.34.6
Coding index—46.9
Providers72
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-262026-04-30
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra or Mistral Medium 3.5?

GPT-6.1 Terra is 33% cheaper than Mistral Medium 3.5 on a typical 3:1 input/output mix.

GPT-6.1 Terra vs Mistral Medium 3.5: which has a bigger context window?

GPT-6.1 Terra: 1,050,000 tokens. Mistral Medium 3.5: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra ≈ $4,500, Mistral Medium 3.5 ≈ $6,750.

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