Compare/JT-35B-Flash vs GPT-5.5 (high)

JT-35B-FlashvsGPT-5.5 (high)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

China Mobile

JT-35B-Flash

Input
$0/M
Output
$0/M
Speed
TTFT
OpenAI

GPT-5.5 (high)

Input
$5/M
Output
$30/M
Speed
62 tok/s
TTFT
22.30s

Winner by Category

Cheaper
JT-35B-Flash
Faster (tok/s)
GPT-5.5 (high)
Lower Latency
JT-35B-Flash
Benchmarks (0-7)
GPT-5.5 (high)

Pricing Comparison

MetricJT-35B-FlashGPT-5.5 (high)
Input ($/M tokens)$0$5
Output ($/M tokens)$0$30
Cost for 1M input + 100K output tokens:
JT-35B-Flash$0.00
GPT-5.5 (high)$8.00

Speed Comparison

Output Speed (tokens/s) — higher is better
JT-35B-Flash
GPT-5.5 (high)
62 tok/s
Time to First Token (seconds) — lower is better
JT-35B-Flash
GPT-5.5 (high)
22.30s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
36.158.9
Coding Index
28.958.5
Math Index
GPQA Diamond
82.9%93.2%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
6.1%43.0%
SciCode
29.1%55.9%
IFBench
42.0%71.6%
TerminalBench
28.8%59.8%
JT-35B-Flash0 wins
7 winsGPT-5.5 (high)

Frequently Asked Questions

Which is cheaper, JT-35B-Flash or GPT-5.5 (high)?

JT-35B-Flash is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $11.25/M for GPT-5.5 (high).

Which model performs better on benchmarks?

GPT-5.5 (high) wins 7 out of 12 benchmarks compared to 0 for JT-35B-Flash. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.5 (high) generates tokens faster at 62 tok/s vs 0 tok/s. JT-35B-Flash also has lower time-to-first-token (0.00s vs 22.30s).

When should I use JT-35B-Flash vs GPT-5.5 (high)?

Choose based on your priorities: JT-35B-Flash for lower cost, GPT-5.5 (high) for stronger benchmark performance, and GPT-5.5 (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.