Gemini 3.7 Flash vs Gemini 3.8 Flash: Specs & Benchmark Comparison

Gemini 3.7 Flash and Gemini 3.8 Flash both come from Google, Gemini 3.7 Flash was released in August 2026, and Gemini 3.8 Flash followed a month later in September 2026.

The two models share 10 published benchmarks. Gemini 3.8 Flash leads on 9 of them, Gemini 3.7 Flash on 1. The widest gaps are on BioMysteryBench, where Gemini 3.8 Flash scores 56.5% against 43.5%; OSWorld 2.0, where Gemini 3.8 Flash scores 59.0% against 47.9%. Averaged across everything we track, Gemini 3.7 Flash sits at 59.8% and Gemini 3.8 Flash at 59.2%.

On price the two are close: Gemini 3.7 Flash costs $0.75 per million input tokens and $3.75 per million output tokens, Gemini 3.8 Flash $0.75 and $3.75. Both accept a context window of about 1M tokens. Gemini 3.7 Flash accepts text and images as input, while Gemini 3.8 Flash accepts text, images, audio, and video.

CharacteristicGemini 3.7 FlashGemini 3.8 Flash
CompanyGoogleGoogle
Release DateAugust 13, 2026September 2, 2026
Parameters——
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)66K66K
Input Price / 1M$0.75$0.75
Output Price / 1M$3.75$3.75
Average Score59.8%59.2%
Benchmarks
BioMysteryBench43.5%56.5%
OSWorld 2.047.9%59.0%
DeepSWE 1.165.3%73.7%
LABBench282.1%86.2%
Terminal-Bench 2.185.8%89.4%
CharXiv-R88.7%86.2%
LVBench85.4%87.1%
HLE-Verified53.6%54.9%
GDP.pdf34.0%35.0%
GDPval-AA50.8%51.5%

Visual Benchmark Comparison

Gemini 3.7 Flash
Gemini 3.8 Flash
BioMysteryBench0.4 vs 0.6
0.4
0.6
OSWorld 2.00.5 vs 0.6
0.5
0.6
DeepSWE 1.10.7 vs 0.7
0.7
0.7
LABBench20.8 vs 0.9
0.8
0.9
Terminal-Bench 2.10.9 vs 0.9
0.9
0.9
CharXiv-R0.9 vs 0.9
0.9
0.9
LVBench0.9 vs 0.9
0.9
0.9
HLE-Verified0.5 vs 0.5
0.5
0.5
GDP.pdf0.3 vs 0.3
0.3
0.3
GDPval-AA0.5 vs 0.5
0.5
0.5

Verdict

Gemini 3.8 Flash leads in 1 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Gemini 3.7 Flash — 0.6, Gemini 3.8 Flash — 0.6.

API Cost

API cost is identical: input $0.75/1M, output $3.75/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

Gemini 3.8 Flash is newer: released 9/2/2026 vs 8/13/2026.

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Frequently Asked Questions

Which is better for coding — Gemini 3.7 Flash or Gemini 3.8 Flash?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Gemini 3.7 Flash or Gemini 3.8 Flash?
Gemini 3.7 Flash is cheaper for input: $0.75 per 1M tokens vs $0.75.
Which has a larger context window — Gemini 3.7 Flash or Gemini 3.8 Flash?
Gemini 3.7 Flash supports a larger context: 1,048,576 tokens vs 1,048,576.

The Gemini 3.7 Flash and Gemini 3.8 Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.7 Flash or Gemini 3.8 Flash page. See also the complete list of AI model comparisons.