Compare/GPT-5 (ChatGPT) vs Nova 2.0 Pro Preview (medium)

GPT-5 (ChatGPT)vsNova 2.0 Pro Preview (medium)

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

OpenAI

GPT-5 (ChatGPT)

Input
$1.25/M
Output
$10/M
Speed
142 tok/s
TTFT
0.60s
Amazon

Nova 2.0 Pro Preview (medium)

Input
$1.25/M
Output
$10/M
Speed
124 tok/s
TTFT
15.64s

Winner by Category

Cheaper
Tie
Faster (tok/s)
GPT-5 (ChatGPT)
Lower Latency
GPT-5 (ChatGPT)
Benchmarks (0-11)
Nova 2.0 Pro Preview (medium)

Pricing Comparison

MetricGPT-5 (ChatGPT)Nova 2.0 Pro Preview (medium)
Input ($/M tokens)$1.25$1.25
Output ($/M tokens)$10$10
Cost for 1M input + 100K output tokens:
GPT-5 (ChatGPT)$2.25
Nova 2.0 Pro Preview (medium)$2.25

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5 (ChatGPT)
142 tok/s
Nova 2.0 Pro Preview (medium)
124 tok/s
Time to First Token (seconds) — lower is better
GPT-5 (ChatGPT)
0.60s
Nova 2.0 Pro Preview (medium)
15.64s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
21.835.7
Coding Index
21.230.4
Math Index
48.389.0
GPQA Diamond
68.6%78.5%
MMLU-Pro
82.0%83.0%
LiveCodeBench
54.3%73.0%
AIME 2025
48.3%89.0%
MATH-500
Humanity's Last Exam
5.8%8.9%
SciCode
37.8%42.7%
IFBench
45.0%79.0%
TerminalBench
12.9%24.2%
GPT-5 (ChatGPT)0 wins
11 winsNova 2.0 Pro Preview (medium)

Frequently Asked Questions

Which is cheaper, GPT-5 (ChatGPT) or Nova 2.0 Pro Preview (medium)?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

Nova 2.0 Pro Preview (medium) wins 11 out of 12 benchmarks compared to 0 for GPT-5 (ChatGPT). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5 (ChatGPT) generates tokens faster at 142 tok/s vs 124 tok/s. GPT-5 (ChatGPT) also has lower time-to-first-token (0.60s vs 15.64s).

When should I use GPT-5 (ChatGPT) vs Nova 2.0 Pro Preview (medium)?

Choose based on your priorities: both are similarly priced, Nova 2.0 Pro Preview (medium) for stronger benchmark performance, and GPT-5 (ChatGPT) for faster generation. For latency-sensitive apps, check the TTFT comparison above.