Models, measured side by side
DeepSeek V3 vs GPT-4o
Compare DeepSeek V3, GPT-4o by token pricing, context length, benchmark results, speed and tool support.
Monthly workload
Monthly cost breakdown
InputOutput
DeepSeek V3
$10 / mo
GPT-4o
$100 / mo
Performance comparison
DeepSeek V3
8.5
GPT-4o
8.4
Overview
Pricing & capacity
| Pricing & capacity | DeepSeek V3 | GPT-4o |
|---|---|---|
| Input / 1M tokens | $0.26 | $2.50 |
| Output / 1M tokens | $1.03 | $10 |
| Cached input / 1M | Not listed | $1.25 |
| Monthly cost | $10 | $100 |
| Context window | 164K | 128K |
| Maximum output | 16K | 16K |
Input / 1M tokens
- DeepSeek V3
- $0.26
- GPT-4o
- $2.50
Output / 1M tokens
- DeepSeek V3
- $1.03
- GPT-4o
- $10
Cached input / 1M
- DeepSeek V3
- Not listed
- GPT-4o
- $1.25
Monthly cost
- DeepSeek V3
- $10
- GPT-4o
- $100
Context window
- DeepSeek V3
- 164K
- GPT-4o
- 128K
Maximum output
- DeepSeek V3
- 16K
- GPT-4o
- 16K
Benchmarks & performance
| Benchmarks & performance | DeepSeek V3 | GPT-4o |
|---|---|---|
| Arena Elo | 1,211 | 1,178 |
| MMLU-Pro | 75.4% | 69.9% |
| Intelligence Index | 8.5 | 8.4 |
| GPQA | 55.7% | 54.3% |
| Humanity’s Last Exam | 2.9% | 2.4% |
| SciCode | 35.8% | Not listed |
| Output speed | Not listed | 145 tokens/s |
| Time to first token | Not listed | 0.84 s |
| DesignArena rating | Not listed | 864 |
| DesignArena win rate | Not listed | 34.8% |
Arena Elo
- DeepSeek V3
- 1,211
- GPT-4o
- 1,178
MMLU-Pro
- DeepSeek V3
- 75.4%
- GPT-4o
- 69.9%
Intelligence Index
- DeepSeek V3
- 8.5
- GPT-4o
- 8.4
GPQA
- DeepSeek V3
- 55.7%
- GPT-4o
- 54.3%
Humanity’s Last Exam
- DeepSeek V3
- 2.9%
- GPT-4o
- 2.4%
SciCode
- DeepSeek V3
- 35.8%
- GPT-4o
- Not listed
Output speed
- DeepSeek V3
- Not listed
- GPT-4o
- 145 tokens/s
Time to first token
- DeepSeek V3
- Not listed
- GPT-4o
- 0.84 s
DesignArena rating
- DeepSeek V3
- Not listed
- GPT-4o
- 864
DesignArena win rate
- DeepSeek V3
- Not listed
- GPT-4o
- 34.8%
Tools & features
| Tools & features | DeepSeek V3 | GPT-4o |
|---|---|---|
| Function calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Built-in web search | Not listed | Supported |
| Log probabilities | Not listed | Supported |
| Deterministic seed | Supported | Supported |
| Prompt caching | Not listed | Supported |
Function calling
- DeepSeek V3
- Supported
- GPT-4o
- Supported
Structured outputs
- DeepSeek V3
- Supported
- GPT-4o
- Supported
JSON mode
- DeepSeek V3
- Supported
- GPT-4o
- Supported
Built-in web search
- DeepSeek V3
- Not listed
- GPT-4o
- Supported
Log probabilities
- DeepSeek V3
- Not listed
- GPT-4o
- Supported
Deterministic seed
- DeepSeek V3
- Supported
- GPT-4o
- Supported
Prompt caching
- DeepSeek V3
- Not listed
- GPT-4o
- Supported
API & availability
| API & availability | DeepSeek V3 | GPT-4o |
|---|---|---|
| API identifier | deepseek-v3 | gpt-4o |
| API providers | StreamLake, DeepInfra | Azure, OpenAI |
| Knowledge cutoff | 2024-07-31 | 2023-10-31 |
| Prices checked | Oct 8, 2026 | Oct 8, 2026 |
API identifier
- DeepSeek V3
deepseek-v3- GPT-4o
gpt-4o
API providers
- DeepSeek V3
- StreamLake, DeepInfra
- GPT-4o
- Azure, OpenAI
Knowledge cutoff
- DeepSeek V3
- 2024-07-31
- GPT-4o
- 2023-10-31
Prices checked
- DeepSeek V3
- Oct 8, 2026
- GPT-4o
- Oct 8, 2026
About the models
Comparison FAQ
DeepSeek V3: $0.26 input and $1.03 output per million tokens. GPT-4o: $2.50 input and $10 output per million tokens. The cheaper choice depends on your input-to-output ratio; a model can have a lower input rate but a higher output rate.
