Long documents
Prompts that approach the documented context limit
Gemini 2.5 Pro
Gemini 2.5 Pro has the larger documented context window.
Confidence: documented
Devstral Small vs Gemini 2.5 Pro
Updated October 14, 2026. We do not rank this pair: at least one has no public score. Public scores include evidence status and uncertainty.
Both of these models will change. Get the price, version and retirement notices for the pair, each with its source. Follow model changes
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Decision reading
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. 1 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.
- Shared results
- 1
- Devstral Small only
- 0
- Gemini 2.5 Pro only
- 8
- Like-for-like categories
- 0 / 8
Supported: Gemini 2.5 ProHow the comparison works
Which one for your work
Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.
Show secondary and unsupported calls
Coding work
Code generation, repair, and software-engineering tasks
Not enough matched evidence
Devstral Small is not ranked on the public lane for coding, so no winner is named for coding.
Confidence: limitedAgentic work
Tool use, computer use, and multi-step task completion
Not enough matched evidence
Devstral Small is not ranked on the public lane for agentic, so no winner is named for agentic.
Confidence: limitedChat turn cost
1K fresh input + 500 output tokens
Not enough matched evidence
A complete comparable API-rate estimate is not available for both models.
Confidence: listed-ratesCache-heavy agent loop cost
200K cached + 20K fresh input + 10K output tokens
Not enough matched evidence
The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. Devstral Small does not fit this workload in one request. Devstral Small has no comparable published API token rate.
Confidence: listed-ratesRepository review cost
50K fresh input + 3K output tokens
Not enough matched evidence
A complete comparable API-rate estimate is not available for both models.
Confidence: listed-rates
Which one for a specific job
Choose a job from the LLM Selector's task catalog to see the category row it rests on, under the same basis rules as the table below. A directional row stays directional; choosing a job never creates a winner.
The same task catalog as the LLM Selector. Each job names the evidence surface it rests on; nothing here adds a new score.
—Devstral Small22.7Gemini 2.5 Pro
Not comparable · BenchAlign v5.8
The coding row is not comparable on the public lane: at least one model is not measured or not ranked there.
Coding scores combine specific tasks and setups. Match the editor, harness, and effort to your workflow.
Same basis rules as the category table below
What is actually comparable
Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.
1 Shared
8 Gemini 2.5 Pro only
Shape of the matched evidence
Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.
Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.
SWE-bench VerifiedCoding
Normalized gap 17.0Devstral Small:46.8%Gemini 2.5 Pro:63.8%
Bars run 0–100 on each benchmark’s normalized display scale
Category results, on a stated basis
Each row shows the public-lane category score for both models: the BenchAlign v5.8 lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.
Agentic
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- 25.2
- Estimated · #98/124
- Basis
- BenchAlign v5.8 lane · 0 vs 1 public rows
- Reading
- Not comparable
Coding
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- 22.7
- Supported · #114/149
- Basis
- BenchAlign v5.8 lane · 1 vs 3 public rows
- Reading
- Not comparable
Reasoning
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- 73.3
- Unranked · 2 rankable rows
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Multimodal
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- 74.8
- Unranked · 1 rankable row
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Knowledge
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- 45.6
- Supported · #94/181
- Basis
- BenchAlign v5.8 lane · 0 vs 2 public rows
- Reading
- Not comparable
Multilingual
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Instruction following
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- 57.8
- #77/128
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Math
Not comparable- Devstral Small
- Not ranked
- Gemini 2.5 Pro
- 36.9
- Unranked · 3 rankable rows
- Basis
- Provisional lane · 0 vs 2 weighted rows
- Reading
- Not comparable
| Category | Devstral Small | Gemini 2.5 Pro | Basis | Reading |
|---|---|---|---|---|
| Agentic | Not ranked | 25.2Estimated · #98/124 | Not comparableBenchAlign v5.8 lane · 0 vs 1 public rows | Not comparable |
| Coding | Not ranked | 22.7Supported · #114/149 | Not comparableBenchAlign v5.8 lane · 1 vs 3 public rows | Not comparable |
| Reasoning | Not ranked | 73.3Unranked · 2 rankable rows | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Multimodal | Not ranked | 74.8Unranked · 1 rankable row | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Knowledge | Not ranked | 45.6Supported · #94/181 | Not comparableBenchAlign v5.8 lane · 0 vs 2 public rows | Not comparable |
| Multilingual | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Instruction following | Not ranked | 57.8#77/128 | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Math | Not ranked | 36.9Unranked · 3 rankable rows | Not comparableProvisional lane · 0 vs 2 weighted rows | Not comparable |
Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.8) differ from the provisional-lane categories. Unranked scores sit on the provisional lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.
Supported evidence per lane · bars run 0–100Methodology
What each workload costs
Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.
Chat turn
1K fresh input + 500 output tokens
- Devstral Small
- API rate not published
- Fits in one request
- Gemini 2.5 Pro
- $0.00625
- Fits in one request
Devstral Small has no comparable published API token rate.
Repository review
50K fresh input + 3K output tokens
- Devstral Small
- API rate not published
- Fits in one request
- Gemini 2.5 Pro
- $0.0925
- Fits in one request
Devstral Small has no comparable published API token rate.
Cache-heavy agent loop
200K cached + 20K fresh input + 10K output tokens
- Devstral Small
- API rate not published
- Does not fit in one request
- Cached-input rate unavailable
- Gemini 2.5 Pro
- $0.15
- Fits in one request
Devstral Small does not fit this workload in one request. Devstral Small has no comparable published API token rate.
Cached input falls back to the list input rate only where a cached rate is unpublished
Specification differences
Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.
SpecificationDevstral SmallGemini 2.5 Pro
Context window
Maximum documented context; output-token limits may be lower.
Devstral Small
128K
Gemini 2.5 Pro
API model ID
Devstral Small
Not sourced
Gemini 2.5 Pro
gemini-2.5-pro
Google Gemini API pricingCached-input rate
A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.
Devstral Small
No comparable hosted API rate
Gemini 2.5 Pro
$0.125 per 1M cached input tokens
Google Gemini API pricingDocumented inputs
Devstral Small
Not sourced
Gemini 2.5 Pro
Not sourced
Documented outputs
Devstral Small
Not sourced
Gemini 2.5 Pro
Not sourced
Provider availability
Devstral Small
Not sourced
Gemini 2.5 Pro
Not sourced
Reasoning profile
Devstral Small
Non-Reasoning
Gemini 2.5 Pro
Non-Reasoning
Weight access
Devstral Small
Open Weight
Gemini 2.5 Pro
Proprietary
License
Devstral Small
Open Weight
Gemini 2.5 Pro
Proprietary
Release date
Devstral Small
2025-05-21
Gemini 2.5 Pro
2025-03-01
If you already use one of these models
- Deployment change
- The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
- Quality signal
- At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
- Workload cost
- A complete comparable API-rate estimate is not available for both models.
- Context tradeoff
- Gemini 2.5 Pro has the larger documented window (1M).
Run the same representative tasks against both endpoints before changing production traffic.
Questions
Which is better, Devstral Small or Gemini 2.5 Pro?
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. The page therefore keeps the decision tied to the specific documented workload.
Which is better for coding, Devstral Small or Gemini 2.5 Pro?
Devstral Small is not ranked on the public lane for coding, so no winner is named for coding.
Which is better for agentic tasks, Devstral Small or Gemini 2.5 Pro?
Devstral Small is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.
Which costs less, Devstral Small or Gemini 2.5 Pro?
Both models do not have comparable published API token rates, so this page does not name a universal price winner.
Which has the larger context window, Devstral Small or Gemini 2.5 Pro?
Gemini 2.5 Pro has the larger documented context window: 1M, compared with 128K.
Benchmark evidence
The full public result ledger is available for audit without forcing a wide desktop table onto a phone.
Browse raw public benchmark evidence9 rows
Agentic
Gert Labs
Devstral Small—Gemini 2.5 Pro42.01%SourceNot directly comparable
Coding
Knowledge
Math
9 public results · 1 shared
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Last updated October 14, 2026