GPT-6 Luna Pro vs Palmyra X5

Price, context window & benchmark comparison

O

GPT-6 Luna Pro

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
VS
W

Palmyra X5

Writer
$0.60 / $6.00
Input / Output · per 1M tokens
Compare different models
O
W
Verdict: GPT-6 Luna Pro is 9.8× cheaper than Palmyra X5 on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 1M).
GPT-6 Luna ProPalmyra X5
Input price / 1M$0.10$0.60
Output price / 1M$0.50$6.00
Blended price (3:1)$0.20$1.95
Cached input / 1M$0.01
Context window1.1M1M
Max output128K8K
Intelligence index
Coding index
Providers6
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesNo
Tool callingYesNo
Released2026-09-222026-01-21
Retirement

Cost calculator

FAQ

Which is cheaper, GPT-6 Luna Pro or Palmyra X5?

GPT-6 Luna Pro is 9.8× cheaper than Palmyra X5 on a typical 3:1 input/output mix.

GPT-6 Luna Pro vs Palmyra X5: which has a bigger context window?

GPT-6 Luna Pro: 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 Luna Pro ≈ $450.00, Palmyra X5 ≈ $4,200.

More comparisons