Codestral 25.01 vs GPT-5.6 Luna
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: Codestral 25.01 or GPT-5.6 Luna?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | Codestral 25.01 | GPT-5.6 Luna | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.30 | $0.18 | GPT-5.6 Luna is 1.7x cheaper |
| Output Cost / 1M Tokens | $0.90 | $0.72 | GPT-5.6 Luna (25% lower) |
| Avg TTFT Response Latency | 150ms | 90ms | GPT-5.6 Luna (+60ms faster) |
| SWE-bench Verified (Coding) | 44.2% | 48.5% | GPT-5.6 Luna (+4.3% lead) |
| Inference Value Score (IVR) | 99.9 / 100 | 99.9 / 100 | GPT-5.6 Luna (+0 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens.
Estimated Monthly Spend
$0.3/1M in · $0.9/1M out
$0.18/1M in · $0.72/1M out
When to Choose Codestral 25.01
Choose Codestral 25.01 when you need 256K long-context repository indexing, fill-in-the-middle code completion, and IDE plugin backend. and have an infrastructure budget aligned with $0.30/1M tokens.
When to Choose GPT-5.6 Luna
Choose GPT-5.6 Luna when you need Real-time conversational agents, high-volume classification, intent detection, and low-latency interactive apps. and prioritize OpenAI ecosystem integration at $0.18/1M tokens.
Related Questions & Decision Factors
Which is cheaper: Codestral 25.01 or GPT-5.6 Luna?
GPT-5.6 Luna is cheaper at $0.18/1M input tokens compared to $0.30/1M for Codestral 25.01.
Which model has lower latency: Codestral 25.01 or GPT-5.6 Luna?
GPT-5.6 Luna delivers faster response times with an average TTFT of 90ms vs 150ms for Codestral 25.01.
When should you choose Codestral 25.01?
Choose Codestral 25.01 when you need 256K long-context repository indexing, fill-in-the-middle code completion, and IDE plugin backend. and have an infrastructure budget aligned with $0.30/1M tokens.
When should you choose GPT-5.6 Luna?
Choose GPT-5.6 Luna when you need Real-time conversational agents, high-volume classification, intent detection, and low-latency interactive apps. and prioritize OpenAI ecosystem integration at $0.18/1M tokens.