Model comparison · text
DeepSeek-V4-Flash vs GPT-5.6 Terra
Symmetrical, primary-source facts with unknown values left visible. No winner is assigned without comparable measurements.
FieldAt a glance
DeepSeek · activeDeepSeek-V4-FlashVerified Aug 28, 2026
OpenAI · activeGPT-5.6 TerraVerified Aug 28, 2026
Technical differences
Side-by-side facts
| Field | DeepSeek-V4-Flash | GPT-5.6 Terra |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Family | Deepseek V4 Flash | Gpt 5 6 |
| Model | DeepSeek-V4-Flash | GPT-5.6 Terra |
| Version | DeepSeek-V4-Flash | GPT-5.6 Terra |
| Lifecycle | active | active |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | 1048576 | 1050000 |
| Total parameters | 290944616402 | Unknown |
| Active parameters | 13000000000 | Unknown |
| License | mit | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Capabilities | chat, generation, reasoning | chat, generation, reasoning, tools |
12 comparable fields · 9 material differences · Pair passes the primary-source comparison gate
Primary benchmark evidence
Comparable performance
No protocol-matched benchmark yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.
DeepSeek-V4-Flash capabilities
Input price$0.0868
Output price$0.1736
Serving providers1
Canonical IDdeepseek-ai/DeepSeek-V4-Flash
GPT-5.6 Terra capabilities
Input price$2.00
Output price$12.00
Serving providers1
Canonical IDopenai/gpt-5.6-terra
Internal comparison graph
Related comparisons
Primary evidence