GPT-6 Astra vs MiniMax-M2
GPT-6 Astra (OpenAI) and MiniMax-M2 (MiniMax) compared on benchmarks, pricing, context window, and use-case rankings.
- MiniMax-M2 is cheaper on input tokens — $0.30 vs $10.00 per 1M.
- GPT-6 Astra has a larger context window (1.1M vs 205K tokens).
- GPT-6 Astra ranks higher for coding (95th vs 25th percentile).
| Attribute | GPT-6 Astra | MiniMax-M2 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 169 | — |
| Coding | 95 | 25 |
| Math | 96 | 18 |
| Reasoning & Knowledge | 99 | 17 |
| Agentic & Tools | 96 | 30 |
| Specifications | ||
| Developer | OpenAI | MiniMax |
| Family | GPT | MiniMax |
| Released | Sep 3, 2026 | Oct 27, 2025 |
| Parameters | — | 229B |
| Availability | API access | Open weights (unrestricted) |
| Context window | 1.1M | 205K |
| Price — $/M input | $10.00 | $0.30 |
| Price — $/M output | $50.00 | $1.20 |
| Inputs | file, image, text | text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 78% |
| APEX | 47% | — |
| ARC-AGI | 99% | — |
| ARC-AGI-2 | 95% | — |
| GPQA Diamond | 96% | 78% |
| Humanity's Last Exam | 55% | 14% |
| SciCode | 56% | 36% |
| SimpleQA Verified | 76% | — |
| WebDev Arena | 1797 | 1297 |
| WeirdML | 93% | — |
| LiveCodeBench | — | 83% |
| MMLU-Pro | — | 82% |
| Terminal-Bench | — | 30% |
| τ²-bench | — | 87% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, GPT-6 Astra or MiniMax-M2?
MiniMax-M2 is cheaper on input tokens at $0.30 per million, versus $10.00 (representative OpenRouter pricing).
Which has a larger context window, GPT-6 Astra or MiniMax-M2?
GPT-6 Astra supports up to 1.1M tokens, compared with 205K for the other.
Which is better for coding, GPT-6 Astra or MiniMax-M2?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, GPT-6 Astra ranks higher — 95th vs 25th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.