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Gemini 3.7 Flash vs Gemini 3.8 Flash

Gemini 3.7 Flash and Gemini 3.8 Flash are closely matched at 49.9 and 51.8 on the LLM Stats Score. Gemini 3.7 Flash and Gemini 3.8 Flash cost the same.

Google · Google · Updated for 2026

Which is better?

Gemini 3.7 Flash and Gemini 3.8 Flash are closely matched on the overall LLM Stats Score at 49.9 and 51.8.

In the 10 individual benchmarks reported for both models, Gemini 3.8 Flash wins 9; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.7 Flash

  • you want predictable pricing at $0.75/M input and $3.75/M output

Choose Gemini 3.8 Flash

  • you value its reported benchmark strengths — it wins 9 of 10 exact shared results
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Core performance indexes
49.9
#16
51.8
#11
47.9
#20
47.6
#21
36.9
#19
41.3
#10
34.1
#19
36.9
#13
Cost, coverage & limits
Benchmark wins
1 of 10
9 of 10
Input price
$0.75 / M
$0.75 / M
Output price
$3.75 / M
$3.75 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemini 3.7 Flash
Gemini 3.8 Flash
32.9#18
34.4#11
28.4#21
28.4#20
34.0#12
35.3#10
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for Gemini 3.7 Flash · 13 for Gemini 3.8 Flash

10 shared

Gemini 3.7 Flash outperforms in 1 benchmarks (CharXiv-R), while Gemini 3.8 Flash is better at 9 benchmarks (BioMysteryBench, DeepSWE 1.1, GDP.pdf, GDPval-AA, HLE-Verified, LABBench2, LVBench, OSWorld 2.0, Terminal-Bench 2.1).

Gemini 3.8 Flash significantly outperforms across most benchmarks.

Wed Sep 02 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

For input processing, Gemini 3.7 Flash ($0.75/1M tokens) costs the same as Gemini 3.8 Flash ($0.75/1M tokens).

For output processing, Gemini 3.7 Flash ($3.75/1M tokens) costs the same as Gemini 3.8 Flash ($3.75/1M tokens).

In conclusion, Gemini 3.7 Flash and Gemini 3.8 Flash cost the same.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Sep 02 2026 • llm-stats.com
Google
Gemini 3.7 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
Google
Gemini 3.8 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 65,536 tokens.

Google
Gemini 3.7 Flash
Input1,048,576 tokens
Output65,536 tokens
Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
Wed Sep 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 3.7 Flash and Gemini 3.8 Flash support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 3.7 Flash

Text
Images
Audio
Video

Gemini 3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.7 Flash

Proprietary

Closed source

Gemini 3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.7 Flash was released on 2026-08-13, while Gemini 3.8 Flash was released on 2026-09-02.

Gemini 3.8 Flash is 1 month newer than Gemini 3.7 Flash.

Gemini 3.7 Flash

Aug 13, 2026

2 weeks ago

Gemini 3.8 Flash

Sep 2, 2026

0 days ago

2w newer

Knowledge Cutoff

When training data ends

Both models have the same knowledge cutoff date of 2026-03-31.

They should have similar awareness of historical events and information up to this date.

Gemini 3.7 Flash

Mar 2026

Gemini 3.8 Flash

Mar 2026

Provider Availability

Gemini 3.7 Flash is available from Google. Gemini 3.8 Flash is available from Google.

Gemini 3.7 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M

Gemini 3.8 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 3.7 Flash and Gemini 3.8 Flash side-by-side, then vote on the output you prefer.

Gemini 3.7 Flash
✓ Preferred
Gemini 3.8 Flash
Open in Playground

FAQ

Common questions about Gemini 3.7 Flash vs Gemini 3.8 Flash.

Which is better, Gemini 3.7 Flash or Gemini 3.8 Flash?

Gemini 3.7 Flash and Gemini 3.8 Flash are closely matched on the LLM Stats Score at 49.9 and 51.8. Gemini 3.7 Flash is made by Google and Gemini 3.8 Flash is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.7 Flash compare to Gemini 3.8 Flash in benchmarks?

Gemini 3.7 Flash scores MRCR v2 (8-needle): 97.0%, Harvey LAB-AA: 90.7%, CharXiv-R: 88.7%, Terminal-Bench 2.1: 85.8%, LVBench: 85.4%. Gemini 3.8 Flash scores Terminal-Bench 2.1: 89.4%, LVBench: 87.1%, CharXiv-R: 86.2%, LABBench2: 86.2%, DeepSWE 1.1: 73.7%.

Is Gemini 3.7 Flash cheaper than Gemini 3.8 Flash?

Both models cost $0.75 per million input tokens.

What are the context window sizes for Gemini 3.7 Flash and Gemini 3.8 Flash?

Gemini 3.7 Flash supports 1.0M tokens and Gemini 3.8 Flash supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.7 Flash and Gemini 3.8 Flash?

Key differences include LLM Stats Score (49.9 vs 51.8). See the full comparison above for benchmark-by-benchmark results.