Model Comparison

V4 Flash 0731 (Reasoning, Max Effort)
vs. GPT-5.6 Sol (max)

Comparing 2 AI models · 7 benchmarks · DeepSeek, OpenAI

Recommended Pick

OpenAI logoGPT-5.6 Sol (max)8 metric wins

Strongest on: Throughput, Reasoning, Intelligence

Best Value

DeepSeek logo

V4 Flash 0731 (Reasoning, Max Effort)

100.0 value score

59.2 reasoning / $0.18/1M

Lowest Price

DeepSeek logo

V4 Flash 0731 (Reasoning, Max Effort)

$0.14/1M input price

Best Reasoning

OpenAI logo

GPT-5.6 Sol (max)

66.7 reasoning score

Blends available reasoning benchmarks

Best for Coding

OpenAI logo

GPT-5.6 Sol (max)

77.4 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

V4 Flash 0731 (Reasoning, Max Effort) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

V4 Flash 0731 (Reasoning, Max Effort) is 35.7x cheaper on input tokens than GPT-5.6 Sol (max).

Reasoning gap

GPT-5.6 Sol (max) leads V4 Flash 0731 (Reasoning, Max Effort) by 7.6 points on reasoning.

Coding gap

GPT-5.6 Sol (max) leads V4 Flash 0731 (Reasoning, Max Effort) by 8.3 points on coding.

Top-pick rationale

GPT-5.6 Sol (max) wins 8 measurable categories, including Throughput, Reasoning, Intelligence, Coding.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

DeepSeek logo

V4 Flash 0731 (Reasoning, Max Effort)

DeepSeek

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
OpenAI logo

GPT-5.6 Sol (max)

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

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Full Comparison

Metric
DeepSeek logoV4 Flash 0731 (Reasoning, Max Effort)
DeepSeek
Top Pick
OpenAI logoGPT-5.6 Sol (max)
OpenAI
Pricing per 1M tokens
Input Cost$0.14/1M$5.00/1M
Output Cost$0.28/1M$30.00/1M
Blended (3:1)$0.18/1M$11.25/1M
Specifications
OrganizationDeepSeekOpenAI
Release DateJul 31, 2026Jul 9, 2026
Performance & Speed
Throughput72.5 tok/s
TTFT67838ms
Latency67838ms
Composite Indices
Value Score100.01.8
Reasoning Score59.266.7
Intelligence49.958.9
Coding69.177.4
Standard Benchmarks
GPQA90.8%94.1%
HLE36.8%47.2%
SciCode49.9%56.1%
LCR65.7%73.7%
IFBench72.7%
TAU-bench v285.1%
TerminalBench Hard65.9%

Key Takeaways

V4 Flash 0731 (Reasoning, Max Effort) offers the best value at $0.14/1M,making it ideal for high-volume applications and cost-conscious projects.

GPT-5.6 Sol (max) has the strongest reasoning profile with a 66.7 reasoning score,combining the available reasoning-heavy benchmarks.

GPT-5.6 Sol (max) reaches a 77.4 coding index,making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

DeepSeek logo

V4 Flash 0731 (Reasoning, Max Effort)

  • Cost-sensitive applications
  • High-volume processing
OpenAI logo

GPT-5.6 Sol (max)

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development