Model comparison
Claude Mythos 5 vs MAI-Thinking-1
Head-to-head evidence from 5 shared benchmark results across 3 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude Mythos 5 #2 (Supported); MAI-Thinking-1 #113 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Mythos 5 and MAI-Thinking-1 share 5 comparable benchmark results. 4 of 8 categories are comparable. 10 results are unique to Claude Mythos 5; 8 to MAI-Thinking-1.
Updated July 24, 2026- Shared results
- 5
- Claude Mythos 5 only
- 10
- MAI-Thinking-1 only
- 8
- Comparable categories
- 4 / 8
Pick Claude Mythos 5 if you want the stronger benchmark profile. MAI-Thinking-1 only becomes the better choice if knowledge is the priority.
Confidence note. This is a partial-evidence comparison with 5 shared benchmark results across 3 evidence categories; 4 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Claude Mythos 5 is clearly ahead on the BenchAlign aggregate, 83.01 to 50.38. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Mythos 5's sharpest advantage is in agentic, where it averages 87 against 46. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 88% to 46%. MAI-Thinking-1 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Claude Mythos 5 gives you the larger context window at 1M+, compared with 256K for MAI-Thinking-1.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude Mythos 5 | Δ | MAI-Thinking-1 |
|---|---|---|---|
| Agentic | Claude Mythos 587.0 | Margin← 41.0 | MAI-Thinking-146.0 |
| Coding | Claude Mythos 589.7 | Margin← 24.2 | MAI-Thinking-165.5 |
| Math | Claude Mythos 597.6 | Margin← 7.9 | MAI-Thinking-189.7 |
| Knowledge | Claude Mythos 568.5 | Margin→ 4.0 | MAI-Thinking-172.5 |
| Multimodal | Claude Mythos 593.5 | MarginNo overlap | MAI-Thinking-1Not measured |
| Inst. Following | Claude Mythos 5Not measured | MarginNo overlap | MAI-Thinking-185.0 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
Terminal-Bench 2.0
AgenticA 88%B 46%Winner: Claude Mythos 5Δ 42Terminal-Bench 2.0: Claude Mythos 5 scored 88%; MAI-Thinking-1 scored 46%. Claude Mythos 5 wins this benchmark. - Source ↗
SWE-bench Pro
CodingA 80.3%B 52.8%Winner: Claude Mythos 5Δ 27.5SWE-bench Pro: Claude Mythos 5 scored 80.3%; MAI-Thinking-1 scored 52.8%. Claude Mythos 5 wins this benchmark. - Source ↗
SWE-bench Verified
CodingA 95.5%B 73.5%Winner: Claude Mythos 5Δ 22SWE-bench Verified: Claude Mythos 5 scored 95.5%; MAI-Thinking-1 scored 73.5%. Claude Mythos 5 wins this benchmark. - Source ↗
GPQA
KnowledgeA 94.1%B 84.2%Winner: Claude Mythos 5Δ 9.9GPQA: Claude Mythos 5 scored 94.1%; MAI-Thinking-1 scored 84.2%. Claude Mythos 5 wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Mythos 5 | MAI-Thinking-1 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Mythos 5$10 input / $50 output | MAI-Thinking-1Not available | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Mythos 5Not available | MAI-Thinking-1Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Mythos 5Not available | MAI-Thinking-1Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Mythos 51M+ | MAI-Thinking-1256K | Claude Mythos 5 lists the larger context window. |
Benchmark Deep Dive
AgenticClaude Mythos 5 wins4 benchmarks
CodingClaude Mythos 5 wins3 benchmarks
Reasoning1 benchmarks
| Benchmark | Claude Mythos 5 | MAI-Thinking-1 | Result |
|---|---|---|---|
| Graphwalks BFS 128KSource | — | 90% | Not comparable |
KnowledgeMAI-Thinking-1 wins6 benchmarks
MathClaude Mythos 5 wins4 benchmarks
Multilingual1 benchmarks
| Benchmark | Claude Mythos 5 | MAI-Thinking-1 | Result |
|---|---|---|---|
| SWE MultilingualSource | 92.2% | — | Not comparable |
Multimodal3 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude Mythos 5 | MAI-Thinking-1 | Result |
|---|---|---|---|
| IFBenchSource | — | 85% | Not comparable |
Frequently Asked Questions (5)
Which is better, Claude Mythos 5 or MAI-Thinking-1?
Claude Mythos 5 is ahead on BenchLM's BenchAlign leaderboard, 83.01 to 50.38. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 88% and 46%.
Which is better for knowledge tasks, Claude Mythos 5 or MAI-Thinking-1?
MAI-Thinking-1 has the edge for knowledge tasks in this comparison, averaging 72.5 versus 68.5. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Which is better for coding, Claude Mythos 5 or MAI-Thinking-1?
Claude Mythos 5 has the edge for coding in this comparison, averaging 89.7 versus 65.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for math, Claude Mythos 5 or MAI-Thinking-1?
Claude Mythos 5 has the edge for math in this comparison, averaging 97.6 versus 89.7. MAI-Thinking-1 stays close enough that the answer can still flip depending on your workload.
Which is better for agentic tasks, Claude Mythos 5 or MAI-Thinking-1?
Claude Mythos 5 has the edge for agentic tasks in this comparison, averaging 87 versus 46. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.