The AI arena is free today

Open Superagent

Gemini 1.5 Flash 8B vs GPT-6.1 Terra

GPT-6.1 Terra leads the LLM Stats Score 47.5 to -1.3. Gemini 1.5 Flash 8B is 15.7x cheaper per token.

Google · OpenAI · Updated for 2026

Which is better?

GPT-6.1 Terra leads the overall LLM Stats Score 47.5 to -1.3, ranking #36 overall.

On price, Gemini 1.5 Flash 8B is roughly 15.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6.1 Terra 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 Gemini 1.5 Flash 8B

  • cost matters — it's about 15.7x cheaper per token

Choose GPT-6.1 Terra

  • overall performance matters — it scores 47.5 and ranks #36 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
-1.3
#368
47.5
#36
-0.8
#359
49.0
#19
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.07 / M
$1.00 / M
Output price
$0.30 / M
$5.00 / M
Context window
1,048,576
1,050,000

Individual benchmarks

13 reported for Gemini 1.5 Flash 8B · 8 for GPT-6.1 Terra

No common benchmarks found

Gemini 1.5 Flash 8B and GPT-6.1 Terradon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 1.5 Flash 8B costs less

For input processing, Gemini 1.5 Flash 8B ($0.07/1M tokens) is 14.3x cheaper than GPT-6.1 Terra ($1.00/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 16.7x cheaper than GPT-6.1 Terra ($5.00/1M tokens).

In conclusion, GPT-6.1 Terra is more expensive than Gemini 1.5 Flash 8B.*

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

Lowest available price from all providers
Fri Oct 30 2026 • llm-stats.com
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
OpenAI
GPT-6.1 Terra
Input tokens$1.00
Output tokens$5.00
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6.1 Terra accepts 1,050,000 input tokens compared to Gemini 1.5 Flash 8B's 1,048,576 tokens. GPT-6.1 Terra can generate longer responses up to 128,000 tokens, while Gemini 1.5 Flash 8B is limited to 8,192 tokens.

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
OpenAI
GPT-6.1 Terra
Input1,050,000 tokens
Output128,000 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 1.5 Flash 8B and GPT-6.1 Terra support multimodal inputs.

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

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

GPT-6.1 Terra

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 1.5 Flash 8B

Proprietary

Closed source

GPT-6.1 Terra

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while GPT-6.1 Terra was released on 2026-10-26.

GPT-6.1 Terra is 32 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.6 years ago

GPT-6.1 Terra

Oct 26, 2026

1 days ago

2.6yr newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a knowledge cutoff of 2024-10-01, while GPT-6.1 Terra has a cutoff of 2026-06-01.

GPT-6.1 Terra has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Gemini 1.5 Flash 8B (2024-10-01).

Gemini 1.5 Flash 8B

Oct 2024

GPT-6.1 Terra

Jun 2026

1.7 yr newer

Provider Availability

Gemini 1.5 Flash 8B is available from Google. GPT-6.1 Terra is available from OpenAI.

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M

GPT-6.1 Terra

openai logo
OpenAI
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 1.5 Flash 8B and GPT-6.1 Terra side-by-side, then vote on the output you prefer.

Gemini 1.5 Flash 8B
✓ Preferred
GPT-6.1 Terra
Open in Playground

FAQ

Common questions about Gemini 1.5 Flash 8B vs GPT-6.1 Terra.

Which is better, Gemini 1.5 Flash 8B or GPT-6.1 Terra?

GPT-6.1 Terra leads the LLM Stats Score 47.5 to -1.3. Gemini 1.5 Flash 8B is made by Google and GPT-6.1 Terra is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 1.5 Flash 8B compare to GPT-6.1 Terra in benchmarks?

Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. GPT-6.1 Terra scores HealthBench Consensus: 95.1%, HealthBench Professional: 62.7%, Agents' Last Exam: 60.0%, Terminal-Bench-Science 0.1: 58.3%, MentalHealthBench: 55.5%.

Is Gemini 1.5 Flash 8B cheaper than GPT-6.1 Terra?

Gemini 1.5 Flash 8B is 14.3x cheaper for input tokens. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google. GPT-6.1 Terra costs $1.00/M input and $5.00/M output via openai.

What are the context window sizes for Gemini 1.5 Flash 8B and GPT-6.1 Terra?

Gemini 1.5 Flash 8B supports 1.0M tokens and GPT-6.1 Terra 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 Gemini 1.5 Flash 8B and GPT-6.1 Terra?

Key differences include LLM Stats Score (-1.3 vs 47.5), context window (1.0M vs 1.1M), input pricing ($0.07 vs $1.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 1.5 Flash 8B and GPT-6.1 Terra?

Gemini 1.5 Flash 8B is developed by Google and GPT-6.1 Terra is developed by OpenAI.