Compare/Gemini 2.0 Flash (Feb '25) vs gpt-oss-120B (high)

Gemini 2.0 Flash (Feb '25)vsgpt-oss-120B (high)

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

Google

Gemini 2.0 Flash (Feb '25)

Input
$0.15/M
Output
$0.6/M
Speed
TTFT
OpenAI

gpt-oss-120B (high)

Input
$0.15/M
Output
$0.6/M
Speed
253 tok/s
TTFT
0.49s

Winner by Category

Cheaper
Tie
Faster (tok/s)
gpt-oss-120B (high)
Lower Latency
Gemini 2.0 Flash (Feb '25)
Benchmarks (1-11)
gpt-oss-120B (high)

Pricing Comparison

MetricGemini 2.0 Flash (Feb '25)gpt-oss-120B (high)
Input ($/M tokens)$0.15$0.15
Output ($/M tokens)$0.6$0.6
Cost for 1M input + 100K output tokens:
Gemini 2.0 Flash (Feb '25)$0.21
gpt-oss-120B (high)$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
Gemini 2.0 Flash (Feb '25)
gpt-oss-120B (high)
253 tok/s
Time to First Token (seconds) — lower is better
Gemini 2.0 Flash (Feb '25)
gpt-oss-120B (high)
0.49s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.533.3
Coding Index
13.628.6
Math Index
21.793.4
GPQA Diamond
62.3%78.2%
MMLU-Pro
77.9%80.8%
LiveCodeBench
33.4%87.8%
AIME 2025
21.7%93.4%
MATH-500
93.0%
Humanity's Last Exam
5.3%18.5%
SciCode
33.3%38.9%
IFBench
40.2%69.0%
TerminalBench
3.8%23.5%
Gemini 2.0 Flash (Feb '25)1 wins
11 winsgpt-oss-120B (high)

Frequently Asked Questions

Which is cheaper, Gemini 2.0 Flash (Feb '25) or gpt-oss-120B (high)?

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

Which model performs better on benchmarks?

gpt-oss-120B (high) wins 11 out of 12 benchmarks compared to 1 for Gemini 2.0 Flash (Feb '25). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-120B (high) generates tokens faster at 253 tok/s vs 0 tok/s. Gemini 2.0 Flash (Feb '25) also has lower time-to-first-token (0.00s vs 0.49s).

When should I use Gemini 2.0 Flash (Feb '25) vs gpt-oss-120B (high)?

Choose based on your priorities: both are similarly priced, gpt-oss-120B (high) for stronger benchmark performance, and gpt-oss-120B (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.