Gemini 3.8 Flash is 6.7× cheaper per million tokens (blended). Quality indexes are essentially tied. Gemini 3.8 Flash has the larger context window (1,048,576 vs 1,000,000 tokens).
Claude Opus 4.8 vs Gemini 3.8 Flash
Live catalog fields. Best-in-row is highlighted.
Claude Opus 4.8
Anthropic · anthropic__claude-opus-4.8
Gemini 3.8 Flash
Google · google__gemini-3.8-flash
Identity
| Field | anthropic__claude-opus-4.8 | google__gemini-3.8-flash |
|---|---|---|
| Provider | Anthropic | |
| Slug | anthropic__claude-opus-4.8 | google__gemini-3.8-flash |
| Status | live | live |
| Open weights | No | No |
| License | — | — |
| HuggingFace | — | — |
Quality
| Field | anthropic__claude-opus-4.8 | google__gemini-3.8-flash |
|---|---|---|
| Quality index (0–100) | 86.9 | 87.1 |
Cost
| Field | anthropic__claude-opus-4.8 | google__gemini-3.8-flash |
|---|---|---|
| Input $ / 1M tokens | $5.00 | $0.75 |
| Cached input $ / 1M | $0.50 | $0.07 |
| Output $ / 1M tokens | $25.00 | $3.75 |
Context
| Field | anthropic__claude-opus-4.8 | google__gemini-3.8-flash |
|---|---|---|
| Max context tokens | 1,000,000 | 1,048,576 |
| Max output tokens | 128,000 | 65,536 |
Modalities
| Field | anthropic__claude-opus-4.8 | google__gemini-3.8-flash |
|---|---|---|
| Input | text, image, file | text, image, video, file, audio |
| Output | text | text |