GPT-6.1 Terra vs Palmyra X5

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra

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

Palmyra X5

Writer
$0.60 / $6.00
Input / Output · per 1M tokens
Compare different models
OpenAI
Writer
Verdict: Palmyra X5 is 3% cheaper than GPT-6.1 Terra on a typical 3:1 input/output mix. GPT-6.1 Terra has the larger context window (1.1M vs 1M).
GPT-6.1 TerraPalmyra X5
Input price / 1M$1.00$0.60
Output price / 1M$5.00$6.00
Blended price (3:1)$2.00$1.95
Cached input / 1M$0.05—
Context window1.1M1M
Max output128K8K
Intelligence index51.3—
Coding index——
Providers7—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesNo
Tool callingYesNo
Released2026-10-262026-01-21
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra or Palmyra X5?

Palmyra X5 is 3% cheaper than GPT-6.1 Terra on a typical 3:1 input/output mix.

GPT-6.1 Terra vs Palmyra X5: which has a bigger context window?

GPT-6.1 Terra: 1,050,000 tokens. Palmyra X5: 1,040,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra ≈ $4,500, Palmyra X5 ≈ $4,200.

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