DeepSeek V4 Flash 0731 is cheaper than GPT-5.1-Codex at $0.14/M vs $1.25/M input tokens.
| Spec | DeepSeek V4 Flash 0731 | GPT-5.1-Codex |
|---|---|---|
| Input price | $0.14/M tokens | $1.25/M tokens |
| Output price | $0.28/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Jul 2026 | Nov 2025 |
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V4 Flash 0731 costs 36x less per token.
DeepSeek V4 Flash 0731 is cheaper on both — 8.9× input, 36× output
GPT-5.1-Codex uses 10.5x more transitions
DeepSeek V4 Flash 0731 is cheaper than GPT-5.1-Codex at $0.14/M vs $1.25/M input tokens.
| Spec | DeepSeek V4 Flash 0731 | GPT-5.1-Codex |
|---|---|---|
| Input price | $0.14/M tokens | $1.25/M tokens |
| Output price | $0.28/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Jul 2026 | Nov 2025 |
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V4 Flash 0731 costs 36x less per token.
DeepSeek V4 Flash 0731 is cheaper on both — 8.9× input, 36× output
GPT-5.1-Codex uses 10.5x more transitions