LLM7.io
LLM7.io
Toggle theme

chat comparison

DeepSeek logo

deepseek-v4-flash:0731vsgpt-5.5

OpenAI logo

Compare the things that matter before you build: current price, capabilities, and latest aggregated LLM7 statistics.

Current pricing

See the cost difference clearly

Directly comparable

deepseek-v4-flash:0731

Input $0.08 USD · Output $0.16 USD / 1M tokens

gpt-5.5

Input $0.55 USD · Output $3.30 USD / 1M tokens

Minimum request: $0.0001 USD

What's different

Only capabilities that differ between these models are listed. Green highlights the broader supported option or larger context window.

Context window

deepseek-v4-flash:0731

1,000,000 tokens

gpt-5.5Better fit

1,050,000 tokens

Input formats

deepseek-v4-flash:0731

text

gpt-5.5

text, image

Vision

deepseek-v4-flash:0731

Not supported

gpt-5.5Better fit

Supported

Latest LLM7 statistics

Recent aggregated percentages and response-time metrics from LLM7, not a global model benchmark or traffic disclosure.

Recent stability

deepseek-v4-flash:0731

99.37%

gpt-5.5

95.27%

Average response time

deepseek-v4-flash:0731

6,397.32 ms

gpt-5.5

10,271.01 ms

P95 API latency

deepseek-v4-flash:0731

30,000 ms

gpt-5.5

60,000 ms

Side-by-side trends

Shared charts make the observed differences easier to read. Metrics without enough history stay hidden.

Request success rate

Both models on the same scale

deepseek-v4-flash:0731: 99.6%gpt-5.5: 75%
7 Aug4 Sept

Average API latency

Both models on the same scale

deepseek-v4-flash:0731: 5,105 msgpt-5.5: 38,663 ms
7 Aug4 Sept

P95 API latency

Both models on the same scale

deepseek-v4-flash:0731: 30,000 msgpt-5.5: 60,000 ms
7 Aug4 Sept

Estimate your workload

Fixed-price models can be estimated directly; dynamic models use recent references and are billed from actual provider usage.

Cost calculator

Adjust the volume to see an instant estimate at the current public price.

1M tokens
10,000 tokens
01M

Input estimate

$0.0008

Output estimate

$0.0004

Estimated total

$0.0012

Cost calculator

Adjust the volume to see an instant estimate at the current public price.

1M tokens
10,000 tokens
01M

Input estimate

$0.0055

Output estimate

$0.00825

Estimated total

$0.01375

Quick take

  • gpt-5.5 has a larger context window.
  • gpt-5.5 supports image input while the other model does not.
  • deepseek-v4-flash:0731 recorded higher recent LLM7 stability during this period.
  • deepseek-v4-flash:0731 recorded a lower observed p95 API latency on LLM7 during this period.

Keep exploring