token.app › Compare › o3 vs DeepSeek V4 Flash Latest
o3 vs DeepSeek V4 Flash Latest
DeepSeek V4 Flash Latest is 31× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash Latest accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| o3 | DeepSeek V4 Flash Latest | |
|---|---|---|
| Provider | OpenAI | ~deepseek |
| Input $/1M | $2.00 | $0.090 |
| Output $/1M | $8.00 | $0.180 |
| Blended $/1M | $3.50 | $0.113 |
| Context window | 200K | 1.0M |
| Max output | 100K | 384K |
| Released | Apr 2025 | Aug 2026 |
| Licence | Proprietary | Proprietary |
Choose o3 if…
- No clear advantage on the data we hold.
Choose DeepSeek V4 Flash Latest if…
- Costs less per token — $0.113 vs $3.50 blended
- Larger context window (1.0M)
- Newer model (released Aug 2026)
FAQ
Which is better, o3 or DeepSeek V4 Flash Latest?
We do not hold independently-run benchmark scores covering both o3 and DeepSeek V4 Flash Latest, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o3 cheaper than DeepSeek V4 Flash Latest?
DeepSeek V4 Flash Latest is cheaper: $0.113 versus $3.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.090. Output alone: $8.00 vs $0.180.
What context windows do o3 and DeepSeek V4 Flash Latest have?
o3: 200,000 tokens. DeepSeek V4 Flash Latest: 1,048,576 tokens.
Who makes o3 and DeepSeek V4 Flash Latest?
o3 is made by OpenAI. DeepSeek V4 Flash Latest is made by ~deepseek.