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Gemma 4 E4B vs GPT-6 Astra

GPT-6 Astra leads the LLM Stats Score 60.3 to 13.9. Gemma 4 E4B is 500.0x cheaper per token.

Google · OpenAI · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 60.3 to 13.9, ranking #1 overall.

In the 1 individual benchmarks reported for both models, GPT-6 Astra wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Gemma 4 E4B is roughly 500.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Astra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Gemma 4 E4B

  • cost matters — it's about 500.0x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose GPT-6 Astra

  • overall performance matters — it scores 60.3 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Core performance indexes
13.9
#239
60.3
#1
13.7
#232
58.2
#1
1.9
#165
46.4
#1
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.02 / M
$10.00 / M
Output price
$0.10 / M
$50.00 / M
Context window
131,072
1,050,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemma 4 E4B
GPT-6 Astra
11.9#235
35.9#42
3.8#159
41.7#1
6.2#132
39.0#2
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Gemma 4 E4B · 22 for GPT-6 Astra

1 shared

Gemma 4 E4B outperforms in 0 benchmarks, while GPT-6 Astra is better at 1 benchmark (GPQA).

GPT-6 Astra significantly outperforms across most benchmarks.

Tue Sep 08 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemma 4 E4B costs less

For input processing, Gemma 4 E4B ($0.02/1M tokens) is 500.0x cheaper than GPT-6 Astra ($10.00/1M tokens).

For output processing, Gemma 4 E4B ($0.10/1M tokens) is 500.0x cheaper than GPT-6 Astra ($50.00/1M tokens).

In conclusion, GPT-6 Astra is more expensive than Gemma 4 E4B.*

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

Lowest available price from all providers
Tue Sep 08 2026 • llm-stats.com
Google
Gemma 4 E4B
Input tokens$0.02
Output tokens$0.10
Best providerDeepinfra
OpenAI
GPT-6 Astra
Input tokens$10.00
Output tokens$50.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-6 Astra accepts 1,050,000 input tokens compared to Gemma 4 E4B's 131,072 tokens. Gemma 4 E4B can generate longer responses up to 131,072 tokens, while GPT-6 Astra is limited to 128,000 tokens.

Google
Gemma 4 E4B
Input131,072 tokens
Output131,072 tokens
OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
Tue Sep 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemma 4 E4B and GPT-6 Astra support multimodal inputs.

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

Gemma 4 E4B

Text
Images
Audio
Video

GPT-6 Astra

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 4 E4B is licensed under Apache 2.0, while GPT-6 Astra uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Gemma 4 E4B

Apache 2.0

Open weights

GPT-6 Astra

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 4 E4B was released on 2026-04-02, while GPT-6 Astra was released on 2026-09-04.

GPT-6 Astra is 5 months newer than Gemma 4 E4B.

Gemma 4 E4B

Apr 2, 2026

5 months ago

GPT-6 Astra

Sep 4, 2026

4 days ago

5mo newer

Knowledge Cutoff

When training data ends

Gemma 4 E4B has a knowledge cutoff of 2025-01-01, while GPT-6 Astra has a cutoff of 2026-04-30.

GPT-6 Astra has more recent training data (up to 2026-04-30), making it potentially better informed about events through that date compared to Gemma 4 E4B (2025-01-01).

Gemma 4 E4B

Jan 2025

GPT-6 Astra

Apr 2026

1.3 yr newer

Provider Availability

Gemma 4 E4B is available from DeepInfra. GPT-6 Astra is available from OpenAI.

Gemma 4 E4B

deepinfra logo
Deepinfra
Input Price:Input: $0.02/1MOutput Price:Output: $0.10/1M

GPT-6 Astra

openai logo
OpenAI
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M
* 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 Gemma 4 E4B and GPT-6 Astra side-by-side, then vote on the output you prefer.

Gemma 4 E4B
✓ Preferred
GPT-6 Astra
Open in Playground

FAQ

Common questions about Gemma 4 E4B vs GPT-6 Astra.

Which is better, Gemma 4 E4B or GPT-6 Astra?

GPT-6 Astra leads the LLM Stats Score 60.3 to 13.9. Gemma 4 E4B is made by Google and GPT-6 Astra is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemma 4 E4B compare to GPT-6 Astra in benchmarks?

Gemma 4 E4B scores MMMLU: 76.6%, MMLU-Pro: 69.4%, MathVision: 59.5%, GPQA: 58.6%, t2-bench: 57.5%. GPT-6 Astra scores ExploitBench: 100.0%, ARC-AGI-3: 99.9%, ARC-AGI: 98.5%, FrontierMath Tier 4 (v2): 97.6%, GPQA: 96.0%.

Is Gemma 4 E4B cheaper than GPT-6 Astra?

Gemma 4 E4B is 500.0x cheaper for input tokens. Gemma 4 E4B costs $0.02/M input and $0.10/M output via deepinfra. GPT-6 Astra costs $10.00/M input and $50.00/M output via openai.

What are the context window sizes for Gemma 4 E4B and GPT-6 Astra?

Gemma 4 E4B supports 131K tokens and GPT-6 Astra supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 4 E4B and GPT-6 Astra?

Key differences include LLM Stats Score (13.9 vs 60.3), context window (131K vs 1.1M), input pricing ($0.02 vs $10.00/M), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 4 E4B and GPT-6 Astra?

Gemma 4 E4B is developed by Google and GPT-6 Astra is developed by OpenAI.