Nex-N2.5-Pro is 92.3× cheaper per million tokens (blended). Claude Opus 5 has the larger context window (1,000,000 vs 262,144 tokens, 3.8×). Nex-N2.5-Pro is open-weights; the other is not.
Claude Opus 5 vs Nex-N2.5-Pro
Live catalog fields. Best-in-row is highlighted.
Claude Opus 5
Anthropic · anthropic__claude-opus-5
Nex-N2.5-Proopen
Nex Agi · nex-agi__nex-n2.5-pro
Identity
| Field | anthropic__claude-opus-5 | nex-agi__nex-n2.5-pro |
|---|---|---|
| Provider | Anthropic | Nex Agi |
| Slug | anthropic__claude-opus-5 | nex-agi__nex-n2.5-pro |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | nex-agi/Nex-N2.5-Pro |
Quality
| Field | anthropic__claude-opus-5 | nex-agi__nex-n2.5-pro |
|---|---|---|
| Quality index (0–100) | 90.0 | — |
Cost
| Field | anthropic__claude-opus-5 | nex-agi__nex-n2.5-pro |
|---|---|---|
| Input $ / 1M tokens | $5.00 | $0.07 |
| Cached input $ / 1M | $0.50 | $0.01 |
| Output $ / 1M tokens | $25.00 | $0.25 |
Context
| Field | anthropic__claude-opus-5 | nex-agi__nex-n2.5-pro |
|---|---|---|
| Max context tokens | 1,000,000 | 262,144 |
| Max output tokens | 128,000 | 235,929 |
Modalities
| Field | anthropic__claude-opus-5 | nex-agi__nex-n2.5-pro |
|---|---|---|
| Input | text, image, file | text, image |
| Output | text | text |