MAI-Code-1.1-Flash vs Solar Pro 4: Specs & Benchmark Comparison

MAI-Code-1.1-Flash is developed by Microsoft, while Solar Pro 4 comes from Upstage. Both were released in August 2026. MAI-Code-1.1-Flash has a published size of about 138 billion parameters; Upstage has not disclosed the parameter count of Solar Pro 4.

The two models share 2 published benchmarks. MAI-Code-1.1-Flash leads on 2 of them. The widest gaps are on Terminal-Bench 2.1, where MAI-Code-1.1-Flash scores 62.9% against 57.0%; SWE-Bench Verified, where MAI-Code-1.1-Flash scores 72.6% against 70.6%. Averaged across everything we track, MAI-Code-1.1-Flash sits at 67.8% and Solar Pro 4 at 69.9%.

MAI-Code-1.1-Flash is the cheaper API at $0.20 per million input tokens and $1.20 per million output tokens, about 50% below Solar Pro 4 at $0.30 and $1.20. Solar Pro 4 takes the larger context window at 524K tokens, compared with 256K for MAI-Code-1.1-Flash. MAI-Code-1.1-Flash accepts text and images as input, while Solar Pro 4 accepts text.

CharacteristicMAI-Code-1.1-FlashSolar Pro 4
CompanyMicrosoftUpstage
Release DateAugust 11, 2026August 6, 2026
Parameters138B
MultimodalYesNo
Context (input)256K524K
Context (output)131K
Input Price / 1M$0.20$0.30
Output Price / 1M$1.20$1.20
Average Score67.8%69.9%
Benchmarks
Terminal-Bench 2.162.9%57.0%
SWE-Bench Verified72.6%70.6%

Visual Benchmark Comparison

MAI-Code-1.1-Flash
Solar Pro 4
Terminal-Bench 2.10.6 vs 0.6
0.6
0.6
SWE-Bench Verified0.7 vs 0.7
0.7
0.7

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: MAI-Code-1.1-Flash — 0.7, Solar Pro 4 — 0.7.

Programming

On SWE-Bench, both models are nearly equal: MAI-Code-1.1-Flash — 0.7, Solar Pro 4 — 0.7.

API Cost

MAI-Code-1.1-Flash is 1.1x cheaper: input $0.20/1M vs $0.30/1M tokens.

Context Window

Solar Pro 4 supports a larger context: 524K vs 256K tokens.

Recency

Both models were released around the same time: 8/11/2026 and 8/6/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — MAI-Code-1.1-Flash or Solar Pro 4?
On the SWE-Bench benchmark, MAI-Code-1.1-Flash shows a better result: 72.6% vs 70.6%.
Which model is cheaper — MAI-Code-1.1-Flash or Solar Pro 4?
MAI-Code-1.1-Flash is cheaper for input: $0.20 per 1M tokens vs $0.30.
Which has a larger context window — MAI-Code-1.1-Flash or Solar Pro 4?
Solar Pro 4 supports a larger context: 524,288 tokens vs 256,000.

The MAI-Code-1.1-Flash and Solar Pro 4 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the MAI-Code-1.1-Flash or Solar Pro 4 page. See also the complete list of AI model comparisons.