Model comparison
Claude Mythos 5 vs MiMo-V2.5-Pro
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 #1 (Supported); MiMo-V2.5-Pro #14 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Mythos 5 and MiMo-V2.5-Pro share 5 comparable benchmark results. 3 of 8 categories are comparable. 10 results are unique to Claude Mythos 5; 26 to MiMo-V2.5-Pro.
Updated July 23, 2026- Shared results
- 5
- Claude Mythos 5 only
- 10
- MiMo-V2.5-Pro only
- 26
- Comparable categories
- 3 / 8
Pick Claude Mythos 5 if you want the stronger benchmark profile. MiMo-V2.5-Pro only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Confidence note. This is a partial-evidence comparison with 5 shared benchmark results across 3 evidence categories; 3 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, 83.93 to 70.19. 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 coding, where it averages 89.7 against 57.2. The single biggest benchmark swing on the page is SWE-bench Pro, 80.3% to 57.2%.
Claude Mythos 5 gives you the larger context window at 1M+, compared with 1M for MiMo-V2.5-Pro.
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 | MiMo-V2.5-Pro |
|---|---|---|---|
| Coding | Claude Mythos 589.7 | Margin← 32.5 | MiMo-V2.5-Pro57.2 |
| Knowledge | Claude Mythos 568.5 | Margin← 20.5 | MiMo-V2.5-Pro48.0 |
| Agentic | Claude Mythos 587.0 | Margin← 18.6 | MiMo-V2.5-Pro68.4 |
| Math | Claude Mythos 597.6 | MarginNo overlap | MiMo-V2.5-ProNot measured |
| Multimodal | Claude Mythos 593.5 | MarginNo overlap | MiMo-V2.5-ProNot measured |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
SWE-bench Pro
CodingA 80.3%B 57.2%Winner: Claude Mythos 5Δ 23.1SWE-bench Pro: Claude Mythos 5 scored 80.3%; MiMo-V2.5-Pro scored 57.2%. Claude Mythos 5 wins this benchmark. - Source ↗
Terminal-Bench 2.0
AgenticA 88%B 68.4%Winner: Claude Mythos 5Δ 19.6Terminal-Bench 2.0: Claude Mythos 5 scored 88%; MiMo-V2.5-Pro scored 68.4%. Claude Mythos 5 wins this benchmark. - Source ↗
HLE
KnowledgeA 64.5%B 48%Winner: Claude Mythos 5Δ 16.5HLE: Claude Mythos 5 scored 64.5%; MiMo-V2.5-Pro scored 48%. 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 | MiMo-V2.5-Pro | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Mythos 5$10 input / $50 output | MiMo-V2.5-ProNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Mythos 5Not available | MiMo-V2.5-ProNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Mythos 5Not available | MiMo-V2.5-ProNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Mythos 51M+ | MiMo-V2.5-Pro1M | Claude Mythos 5 lists the larger context window. |
Benchmark Deep Dive
AgenticClaude Mythos 5 wins17 benchmarks
| Benchmark | Claude Mythos 5 | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 88% | 68.4% | Claude Mythos 5 leads |
| OSWorld-VerifiedSource | 85% | — | Not comparable |
| BrowseCompSource | 88% | — | Not comparable |
| ExploitGymSource | 17.5% | — | Not comparable |
| Claw-EvalSource | — | 63.8% | Not comparable |
| GDPval-AASource | — | 1265 | Not comparable |
| τ³-bench resultsSource | — | 72.9% | Not comparable |
| AA Agentic IndexSource | — | 29.1% | Not comparable |
| τ²-bench resultsSource | — | 94.2% | Not comparable |
| GDPval-AASource | — | 38.3% | Not comparable |
| APEX-Agents-AASource | — | 2.4% | Not comparable |
| Gert LabsSource | — | 62.70% | Not comparable |
| AA BriefcaseSource | — | 873 | Not comparable |
| AA ITBenchSource | — | 38.2% | Not comparable |
| terminalBenchHardSource | — | 43.2% | Not comparable |
| aaTerminalBench21Source | — | 65.2% | Not comparable |
| AA Harvey LABSource | — | 73.3% | Not comparable |
CodingClaude Mythos 5 wins5 benchmarks
Reasoning2 benchmarks
KnowledgeClaude Mythos 5 wins10 benchmarks
| Benchmark | Claude Mythos 5 | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| GPQASource | 94.1% | — | Not comparable |
| HLESource | 64.5% | 48% | Claude Mythos 5 leads |
| HLE w/o toolsSource | 59% | 34% | Claude Mythos 5 leads |
| Artificial Analysis Intelligence IndexSource | — | 42.2% | Not comparable |
| AA-GPQA DiamondSource | — | 86.6% | Not comparable |
| AA-HLESource | — | 33.8% | Not comparable |
| AA-Omniscience IndexSource | — | 3.6% | Not comparable |
| AA-Omniscience AccuracySource | — | 22.6% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 24.5% | Not comparable |
| AA Openness IndexSource | — | 38.9% | Not comparable |
Math1 benchmarks
| Benchmark | Claude Mythos 5 | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| USAMO 2026Source | 97.6% | — | Not comparable |
Multilingual1 benchmarks
| Benchmark | Claude Mythos 5 | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| SWE MultilingualSource | 92.2% | — | Not comparable |
Multimodal4 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude Mythos 5 | MiMo-V2.5-Pro | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 79.9% | Not comparable |
Frequently Asked Questions (4)
Which is better, Claude Mythos 5 or MiMo-V2.5-Pro?
Claude Mythos 5 is ahead on BenchLM's BenchAlign leaderboard, 83.93 to 70.19. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 80.3% and 57.2%.
Which is better for knowledge tasks, Claude Mythos 5 or MiMo-V2.5-Pro?
Claude Mythos 5 has the edge for knowledge tasks in this comparison, averaging 68.5 versus 48. Inside this category, HLE w/o tools is the benchmark that creates the most daylight between them.
Which is better for coding, Claude Mythos 5 or MiMo-V2.5-Pro?
Claude Mythos 5 has the edge for coding in this comparison, averaging 89.7 versus 57.2. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Claude Mythos 5 or MiMo-V2.5-Pro?
Claude Mythos 5 has the edge for agentic tasks in this comparison, averaging 87 versus 68.4. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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