MiniMax M3 vs Claude Sonnet 4.5
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | MiniMax-M3 | Claude Sonnet 4.5 |
|---|---|---|
| CostLower is better · Published-token output estimate | #4 of 36$0.017 per LiveBench case | UnrankedNot in the 36-model eligible cohort |
Ranks come from the current complete eligible cohorts. Green highlights appear only when both models are ranked in the same metric. Missing required inputs remain unranked, and the three dimensions are not collapsed into an overall winner.
Benchmark Performance
Available Benchmarks
| Benchmark | MiniMax-M3 | Claude Sonnet 4.5 |
|---|---|---|
| LMArena Document Arenadocument-2026-07-30-011508720696 · arena_rating · statistical tie | 1,434.8299% of row best · rating · minimax-m3; 95% CI [1426.45297239, 1443.17975284]; votes 6263; rank 26 | 1,446.19100% of row best · rating · claude-sonnet-4-5-20250929; 95% CI [1439.60004073, 1452.78970477]; votes 28634; rank 22 |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie | 1,435.20100% of row best · rating · minimax-m3; 95% CI [1430.86827835, 1439.53977389]; votes 44544; rank 77 | 1,433.95100% of row best · rating · claude-sonnet-4-5-20250929-high-32k; 95% CI [1431.13754052, 1436.75329939]; votes 81031; rank 79 |
| Overall ResultCounted from the protocol-matched rows above · 2 ties | 0 benchmark winsTied overall | 0 benchmark winsTied overall |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | MiniMax-M3 | Claude Sonnet 4.5 |
|---|---|---|
| Developer | MiniMax | Anthropic |
| Family | Minimax M3 | Claude 4 |
| Model | MiniMax-M3 | Claude Sonnet 4.5 |
| Version | MiniMax-M3 | Claude Sonnet 4.5 |
| Lifecycle | active | active |
| Released | 2026-06-01 | 2025-09-29 |
| Knowledge cutoff | Unknown | 2025-01-01 |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,049K | 200K |
| Total parameters | 427B | Unknown |
| Active parameters | 23B | Unknown |
| License | other | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Provider access | Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard) | Anthropic (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, structured_outputs, tools |
14 comparable fields · 10 material differences · Pair passes the primary-source comparison gate
MiniMax M3 Capabilities
Claude Sonnet 4.5 Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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MiniMax-M3MiniMax | vs |  Qwen3.8-MaxQwen | cross-developer peersimage, text |
MiniMax-M3MiniMax | vs |  Kimi-K3Moonshot AI | cross-developer peersimage, text |
MiniMax-M3MiniMax | vs |  GLM-5.3Z.ai | cross-developer peerstext |
MiniMax-M3MiniMax | vs |  Hy4 previewTencent | cross-developer peerstext |
MiniMax-M3MiniMax | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
MiniMax-M3MiniMax | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
MiniMax M3 vs Claude Sonnet 4.5 FAQs
Is MiniMax M3 or Claude Sonnet 4.5 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both MiniMax M3 and Claude Sonnet 4.5, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, MiniMax M3 or Claude Sonnet 4.5?+
MiniMax M3 is $0.28 and Claude Sonnet 4.5 is $3.00 per million tokens, so MiniMax M3 is cheaper on this metric. MiniMax M3 is $1.10 and Claude Sonnet 4.5 is $15.00 per million tokens, so MiniMax M3 is cheaper on this metric.
Which has a larger context window, MiniMax M3 or Claude Sonnet 4.5?+
MiniMax M3 has the larger sourced context window. MiniMax M3 supports 1,049K and Claude Sonnet 4.5 supports 200K.
Which performs better in benchmarks, MiniMax M3 or Claude Sonnet 4.5?+
There is no overall benchmark winner: Neither model leads outside the score tolerance on the verified common benchmarks.
Can MiniMax M3 or Claude Sonnet 4.5 be self-hosted?+
MiniMax M3 is the only model in this pair currently marked as self-hostable. MiniMax M3 is open weight; Claude Sonnet 4.5 is not marked open weight.
Can MiniMax M3 and Claude Sonnet 4.5 understand images?+
MiniMax M3 is documented with image input; Claude Sonnet 4.5 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, MiniMax M3 or Claude Sonnet 4.5?+
Neither has a larger sourced maximum output. MiniMax M3 is — and Claude Sonnet 4.5 is 64K.
Do MiniMax M3 and Claude Sonnet 4.5 support reasoning and tool use?+
MiniMax M3: reasoning, tool calling, and image input. Claude Sonnet 4.5: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, MiniMax M3 or Claude Sonnet 4.5?+
MiniMax M3 has 5 sourced provider routes; Claude Sonnet 4.5 has 1, so MiniMax M3 has broader tracked availability.
Which offers better value, MiniMax M3 or Claude Sonnet 4.5?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.