The AI arena is free today

Open Superagent

GPT-6 Astra vs Mistral NeMo Instruct

GPT-6 Astra leads the LLM Stats Score 60.7 to -5.0. Mistral NeMo Instruct is 133.3x cheaper per token.

OpenAI · Mistral AI · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 60.7 to -5.0, ranking #1 overall.

On price, Mistral NeMo Instruct is roughly 133.3x 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 GPT-6 Astra

  • overall performance matters — it scores 60.7 and ranks #1 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 Sep 2026

Choose Mistral NeMo Instruct

  • cost matters — it's about 133.3x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
60.7
#1
-5.0
#343
58.7
#1
-5.2
#334
Cost, coverage & limits
Benchmark wins
Input price
$10.00 / M
$0.15 / M
Output price
$50.00 / M
$0.15 / M
Context window
1,050,000
128,000

Individual benchmarks

22 reported for GPT-6 Astra · 8 for Mistral NeMo Instruct

No common benchmarks found

GPT-6 Astra and Mistral NeMo Instructdon'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

Mistral NeMo Instruct costs less

For input processing, GPT-6 Astra ($10.00/1M tokens) is 66.7x more expensive than Mistral NeMo Instruct ($0.15/1M tokens).

For output processing, GPT-6 Astra ($50.00/1M tokens) is 333.3x more expensive than Mistral NeMo Instruct ($0.15/1M tokens).

In conclusion, GPT-6 Astra is more expensive than Mistral NeMo Instruct.*

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

Lowest available price from all providers
Sat Sep 05 2026 • llm-stats.com
OpenAI
GPT-6 Astra
Input tokens$10.00
Output tokens$50.00
Best providerOpenAI
Mistral AI
Mistral NeMo Instruct
Input tokens$0.15
Output tokens$0.15
Best providerGoogle
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 Mistral NeMo Instruct's 128,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
Mistral AI
Mistral NeMo Instruct
Input128,000 tokens
Output128,000 tokens
Sat Sep 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Astra supports multimodal inputs, whereas Mistral NeMo Instruct does not.

GPT-6 Astra can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-6 Astra

Text
Images
Audio
Video

Mistral NeMo Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Astra is licensed under a proprietary license, while Mistral NeMo Instruct uses Apache 2.0.

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

GPT-6 Astra

Proprietary

Closed source

Mistral NeMo Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-6 Astra was released on 2026-09-04, while Mistral NeMo Instruct was released on 2024-07-18.

GPT-6 Astra is 26 months newer than Mistral NeMo Instruct.

GPT-6 Astra

Sep 4, 2026

1 days ago

2.1yr newer
Mistral NeMo Instruct

Jul 18, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

GPT-6 Astra has a documented knowledge cutoff of 2026-04-30, while Mistral NeMo Instruct's cutoff date is not specified.

We can confirm GPT-6 Astra's training data extends to 2026-04-30, but cannot make a direct comparison without Mistral NeMo Instruct's cutoff date.

GPT-6 Astra

Apr 2026

Mistral NeMo Instruct

Provider Availability

GPT-6 Astra is available from OpenAI. Mistral NeMo Instruct is available from Google, Mistral AI.

GPT-6 Astra

openai logo
OpenAI
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

Mistral NeMo Instruct

google logo
Google
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* 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 GPT-6 Astra and Mistral NeMo Instruct side-by-side, then vote on the output you prefer.

GPT-6 Astra
✓ Preferred
Mistral NeMo Instruct
Open in Playground

FAQ

Common questions about GPT-6 Astra vs Mistral NeMo Instruct.

Which is better, GPT-6 Astra or Mistral NeMo Instruct?

GPT-6 Astra leads the LLM Stats Score 60.7 to -5.0. GPT-6 Astra is made by OpenAI and Mistral NeMo Instruct is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-6 Astra compare to Mistral NeMo Instruct in benchmarks?

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%. Mistral NeMo Instruct scores HellaSwag: 83.5%, Winogrande: 76.8%, TriviaQA: 73.8%, CommonSenseQA: 70.4%, MMLU: 68.0%.

Is GPT-6 Astra cheaper than Mistral NeMo Instruct?

Mistral NeMo Instruct is 66.7x cheaper for input tokens. GPT-6 Astra costs $10.00/M input and $50.00/M output via openai. Mistral NeMo Instruct costs $0.15/M input and $0.15/M output via google.

What are the context window sizes for GPT-6 Astra and Mistral NeMo Instruct?

GPT-6 Astra supports 1.1M tokens and Mistral NeMo Instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-6 Astra and Mistral NeMo Instruct?

Key differences include LLM Stats Score (60.7 vs -5.0), context window (1.1M vs 128K), input pricing ($10.00 vs $0.15/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Astra and Mistral NeMo Instruct?

GPT-6 Astra is developed by OpenAI and Mistral NeMo Instruct is developed by Mistral AI.