FLUX.2 DevvsFLUX.2 Klein 9B
FLUX.2 Dev leads the overall Podium Score by 2.2 points (90.4 vs 88.2).Category wins: FLUX.2 Dev 5 — 0 FLUX.2 Klein 9B.FLUX.2 Klein 9B is the cheaper pick ($0.02/M vs $0.03/M per 1M output tokens). FLUX.2 Klein 9B is faster (55 t/s vs 28 t/s).
FLUX.2 DevDrag slider or hover to compareFLUX.2 Klein 9B
Quick VerdictAggregated 2026 Benchmark Analysis
FLUX.2 Dev is rated higher overall with a Podium Score of 90.4 (vs 88.2 for FLUX.2 Klein 9B). In head-to-head domain evaluations, FLUX.2 Dev outperforms in 5 of 7 benchmark categories.
Coding & Engineering
FLUX.2 Dev (0.0)
Inference Speed
FLUX.2 Klein 9B (55 t/s)
Cost Efficiency
FLUX.2 Klein 9B ($0.02/M)
API Price / 1M (in · out)
FLUX.2 Dev $0.03/M · $0.03/M — FLUX.2 Klein 9B $0.02/M · $0.02/M
Choose FLUX.2 Dev for vision and multimodal apps, and FLUX.2 Klein 9B for cost-sensitive workloads.
| Metric | FLUX.2 Dev | FLUX.2 Klein 9B |
|---|---|---|
| Podium Score | 90.4 ▲ | 88.2 |
| Arena Elo | 1440 ▲ | 1405 |
| Intelligence Index | 90.0 ▲ | 88.0 |
| Coding | 0.0 | 0.0 |
| Math | 0.0 | 0.0 |
| Reasoning | 42.0 ▲ | 32.0 |
| Agentic | 28.0 ▲ | 22.0 |
| Knowledge | 60.0 ▲ | 50.0 |
| Multimodal | 98.5 ▲ | 94.0 |
| Long-context | 55.0 ▲ | 45.0 |
| Output speed | 28 t/s | 55 t/s ▲ |
| Output price | $0.03/M | $0.02/M ▲ |
| Context window | 128K ▲ | 64K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: FLUX.2 Dev vs Claude Mythos · FLUX.2 Dev vs Claude 5.5 Sonnet · FLUX.2 Dev vs Kimi K3.1 Pro · FLUX.2 Dev vs Eleven Multilingual v3