The AI arena is free today

Open Superagent

MAI-Code-1.1-Flash vs Seed 1.8

MAI-Code-1.1-Flash and Seed 1.8 are closely matched at 27.8 and 34.1 on the LLM Stats Score. MAI-Code-1.1-Flash is 1.5x cheaper per token.

Microsoft · ByteDance · Updated for 2026

Which is better?

MAI-Code-1.1-Flash and Seed 1.8 are closely matched on the overall LLM Stats Score at 27.8 and 34.1.

In the 1 individual benchmarks reported for both models, Seed 1.8 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, MAI-Code-1.1-Flash is roughly 1.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose MAI-Code-1.1-Flash

  • cost matters — it's about 1.5x cheaper per token
  • you want the most recent training data — it shipped Aug 2026

Choose Seed 1.8

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

At a glance

The differences that matter most.

MAI-Code-1.1-Flash
Microsoft
Seed 1.8
ByteDance
Core performance indexes
LLM Stats Score
27.8
#146
34.1
#101
Reasoning
27.5
#142
33.5
#103
Coding
18.8
#117
19.7
#107
Agents
10.6
#121
14.6
#96
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.20 / M
$0.25 / M
Output price
$1.20 / M
$2.00 / M
Context window
256,000
256,000

Individual benchmarks

2 reported for MAI-Code-1.1-Flash · 57 for Seed 1.8

1 shared

MAI-Code-1.1-Flash outperforms in 0 benchmarks, while Seed 1.8 is better at 1 benchmark (SWE-Bench Verified).

Seed 1.8 significantly outperforms across most benchmarks.

Fri Oct 02 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MAI-Code-1.1-Flash costs less

For input processing, MAI-Code-1.1-Flash ($0.20/1M tokens) is 1.3x cheaper than Seed 1.8 ($0.25/1M tokens).

For output processing, MAI-Code-1.1-Flash ($1.20/1M tokens) is 1.7x cheaper than Seed 1.8 ($2.00/1M tokens).

In conclusion, Seed 1.8 is more expensive than MAI-Code-1.1-Flash.*

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

Lowest available price from all providers
Fri Oct 02 2026 • llm-stats.com
Microsoft
MAI-Code-1.1-Flash
Input tokens$0.20
Output tokens$1.20
Best providerUnknown Organization
ByteDance
Seed 1.8
Input tokens$0.25
Output tokens$2.00
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 256,000 tokens. Only Seed 1.8 specifies output context (256,000 tokens).

Microsoft
MAI-Code-1.1-Flash
Input256,000 tokens
Output- tokens
ByteDance
Seed 1.8
Input256,000 tokens
Output256,000 tokens
Fri Oct 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both MAI-Code-1.1-Flash and Seed 1.8 support multimodal inputs.

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

MAI-Code-1.1-Flash

Text
Images
Audio
Video

Seed 1.8

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.

MAI-Code-1.1-Flash

Proprietary

Closed source

Seed 1.8

Proprietary

Closed source

Release Timeline

When each model was launched

MAI-Code-1.1-Flash was released on 2026-08-11, while Seed 1.8 was released on 2026-02-17.

MAI-Code-1.1-Flash is 6 months newer than Seed 1.8.

MAI-Code-1.1-Flash

Aug 11, 2026

1 months ago

5mo newer
Seed 1.8

Feb 17, 2026

7 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

MAI-Code-1.1-Flash is available from GitHub Copilot. Seed 1.8 is available from DeepInfra.

MAI-Code-1.1-Flash

github-copilot logo
Unknown Organization
Input Price:Input: $0.20/1MOutput Price:Output: $1.20/1M

Seed 1.8

deepinfra logo
Deepinfra
Input Price:Input: $0.25/1MOutput Price:Output: $2.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against MAI-Code-1.1-Flash and Seed 1.8 side-by-side, then vote on the output you prefer.

MAI-Code-1.1-Flash
✓ Preferred
Seed 1.8
Open in Playground

FAQ

Common questions about MAI-Code-1.1-Flash vs Seed 1.8.

Which is better, MAI-Code-1.1-Flash or Seed 1.8?

MAI-Code-1.1-Flash and Seed 1.8 are closely matched on the LLM Stats Score at 27.8 and 34.1. MAI-Code-1.1-Flash is made by Microsoft and Seed 1.8 is made by ByteDance. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does MAI-Code-1.1-Flash compare to Seed 1.8 in benchmarks?

MAI-Code-1.1-Flash scores SWE-Bench Verified: 72.6%, Terminal-Bench 2.1: 62.9%. Seed 1.8 scores CountBench: 96.3%, AIME 2025: 94.3%, VLMsAreBlind: 93.0%, MMLU: 92.3%, AI2D: 89.1%.

Is MAI-Code-1.1-Flash cheaper than Seed 1.8?

MAI-Code-1.1-Flash is 1.3x cheaper for input tokens. MAI-Code-1.1-Flash costs $0.20/M input and $1.20/M output via github-copilot. Seed 1.8 costs $0.25/M input and $2.00/M output via deepinfra.

What are the context window sizes for MAI-Code-1.1-Flash and Seed 1.8?

MAI-Code-1.1-Flash supports 256K tokens and Seed 1.8 supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between MAI-Code-1.1-Flash and Seed 1.8?

Key differences include LLM Stats Score (27.8 vs 34.1), input pricing ($0.20 vs $0.25/M). See the full comparison above for benchmark-by-benchmark results.

Who makes MAI-Code-1.1-Flash and Seed 1.8?

MAI-Code-1.1-Flash is developed by Microsoft and Seed 1.8 is developed by ByteDance.

Related comparisons