Agentic
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- 46.7
- Supported · #77/152
- Basis
- BenchAlign lane · 0 vs 12 public rows
- Reading
- Not comparable
GPT-5.2 Instant vs Kimi K2.6
Updated September 8, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.
Decision reading
The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. Use the documented cost, context, and runtime rows instead.
0 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.
Share or export
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.
Long documents
Prompts that approach the documented context limit
Kimi K2.6
Kimi K2.6 has the larger documented context window.
Confidence: documented
Chat turn cost
1K fresh input + 500 output tokens
Kimi K2.6
Kimi K2.6 has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.
Confidence: listed-rates
Show secondary and unsupported calls
Repository review cost
50K fresh input + 3K output tokens
Kimi K2.6
Kimi K2.6 has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.
Confidence: listed-rates
Coding work
Code generation, repair, and software-engineering tasks
Not enough matched evidence
GPT-5.2 Instant is not ranked on the public lane for coding, so no winner is named for coding.
Confidence: limited
Agentic work
Tool use, computer use, and multi-step task completion
Not enough matched evidence
GPT-5.2 Instant is not ranked on the public lane for agentic, so no winner is named for agentic.
Confidence: limited
Cache-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. GPT-5.2 Instant does not fit this workload in one request. GPT-5.2 Instant has no published cached-input rate, so cached tokens use its listed input rate. Kimi K2.6 has no published cached-input rate, so cached tokens use its listed input rate.
Confidence: rate-fallback
What is actually comparable
Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.
37 Kimi K2.6 only
- Shared results
- 0
- GPT-5.2 Instant only
- 0
- Kimi K2.6 only
- 37
- Like-for-like categories
- 0 / 8
Category results, on a stated basis
Each row shows the public-lane category score for both models: the BenchAlign 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.
Coding
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- 50.9
- Supported · #54/151
- Basis
- BenchAlign lane · 0 vs 10 public rows
- Reading
- Not comparable
Reasoning
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Knowledge
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- 61.6
- Supported · #32/182
- Basis
- BenchAlign lane · 0 vs 5 public rows
- Reading
- Not comparable
Math
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- 71.3
- #1/7
- Basis
- Provisional lane · 0 vs 4 weighted rows
- Reading
- Not comparable
Multilingual
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Multimodal
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- 64.0
- #26/48
- Basis
- Provisional lane · 0 vs 2 weighted rows
- Reading
- Not comparable
Instruction following
Not comparable- GPT-5.2 Instant
- Not ranked
- Kimi K2.6
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
| Category | GPT-5.2 Instant | Kimi K2.6 | Basis | Reading |
|---|---|---|---|---|
| Agentic | Not ranked | 46.7Supported · #77/152 | Not comparableBenchAlign lane · 0 vs 12 public rows | Not comparable |
| Coding | Not ranked | 50.9Supported · #54/151 | Not comparableBenchAlign lane · 0 vs 10 public rows | Not comparable |
| Reasoning | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Knowledge | Not ranked | 61.6Supported · #32/182 | Not comparableBenchAlign lane · 0 vs 5 public rows | Not comparable |
| Math | Not ranked | 71.3#1/7 | Not comparableProvisional lane · 0 vs 4 weighted rows | Not comparable |
| Multilingual | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Multimodal | Not ranked | 64.0#26/48 | Not comparableProvisional lane · 0 vs 2 weighted rows | Not comparable |
| Instruction following | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign) differ from the provisional-lane categories. Unranked scores sit on the lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.
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.
A shared-evidence shape is not available.
BenchLM does not draw a radar or infer missing axes when the matched evidence is too sparse.
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
- GPT-5.2 Instant
- $0.0045
- Fits in one request
- Kimi K2.6
- $0.00295
- Fits in one request
Kimi K2.6 has the lower modeled cost
Costs use the listed standard API rates.
Repository review
50K fresh input + 3K output tokens
- GPT-5.2 Instant
- $0.093
- Fits in one request
- Kimi K2.6
- $0.0595
- Fits in one request
Kimi K2.6 has the lower modeled cost
Costs use the listed standard API rates.
Cache-heavy agent loop
200K cached + 20K fresh input + 10K output tokens
- GPT-5.2 Instant
- $0.39
- Does not fit in one request
- Cached input priced at the published list-input rate
- Kimi K2.6
- $0.249
- Fits in one request
- Cached input priced at the published list-input rate
GPT-5.2 Instant does not fit this workload in one request. GPT-5.2 Instant has no published cached-input rate, so cached tokens use its listed input rate. Kimi K2.6 has no published cached-input rate, so cached tokens use its listed input rate.
Specification differences
Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.
SpecificationGPT-5.2 InstantKimi K2.6
Context window
Maximum documented context; output-token limits may be lower.
GPT-5.2 Instant
128K
Kimi K2.6
256K
API model ID
GPT-5.2 Instant
Not sourced
Kimi K2.6
Not sourced
Cached-input rate
A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.
GPT-5.2 Instant
Not published
Kimi K2.6
Not published
Documented inputs
GPT-5.2 Instant
Not sourced
Kimi K2.6
Not sourced
Documented outputs
GPT-5.2 Instant
Not sourced
Kimi K2.6
Not sourced
Provider availability
GPT-5.2 Instant
Not sourced
Kimi K2.6
Not sourced
Reasoning profile
GPT-5.2 Instant
Reasoning
Kimi K2.6
Reasoning
Weight access
GPT-5.2 Instant
Proprietary
Kimi K2.6
Open Weight
License
GPT-5.2 Instant
Proprietary
Kimi K2.6
Open Weight
Release date
GPT-5.2 Instant
2025-12-11
Kimi K2.6
2026-04-20
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
- The public evidence has no benchmark result shared by both models, so it does not support a quality verdict.
- Workload cost
- Repository review: $0.093 vs $0.0595. Cache-heavy agent loop: $0.39 vs $0.249.
- Context tradeoff
- Kimi K2.6 has the larger documented window (256K).
Run the same representative tasks against both endpoints before changing production traffic.
Self-host vs API cost
Estimates at 50,000 req/day · 1000 tokens/req average.
GPT-5.2 Instant
API / mo$5,625
Self-host / moNot listed
Break-even—
Proprietary model — self-hosting not applicable.
Kimi K2.6
API / mo$3,713
Self-host / mo$18,221
Break-even326M/day
Benchmark evidence
The full public result ledger is available for audit without forcing a wide desktop table onto a phone.
Browse raw public benchmark evidence37 rows
Agentic
Terminal-Bench 2.0
GPT-5.2 Instant—Kimi K2.666.7%SourceNot directly comparable
BrowseComp
GPT-5.2 Instant—Kimi K2.683.2%SourceNot directly comparable
OSWorld-Verified
GPT-5.2 Instant—Kimi K2.673.1%SourceNot directly comparable
Toolathlon
GPT-5.2 Instant—Kimi K2.650%SourceNot directly comparable
MCP Atlas
GPT-5.2 Instant—Kimi K2.655.9%SourceNot directly comparable
Claw-Eval
GPT-5.2 Instant—Kimi K2.662.3%SourceNot directly comparable
DeepSearchQA
GPT-5.2 Instant—Kimi K2.692.5%SourceNot directly comparable
WideResearch
GPT-5.2 Instant—Kimi K2.680.8%SourceNot directly comparable
Gert Labs
GPT-5.2 Instant—Kimi K2.656.82%SourceNot directly comparable
ResearchClawBench
GPT-5.2 Instant—Kimi K2.618.0%SourceNot directly comparable
OSWorld 2.0
GPT-5.2 Instant—Kimi K2.64.6%SourceNot directly comparable
Terminal-Bench 2.1 (Vals)
GPT-5.2 Instant—Kimi K2.653.6%SourceNot directly comparable
Coding
SWE-bench Verified
GPT-5.2 Instant—Kimi K2.680.2%SourceNot directly comparable
LiveCodeBench v6
GPT-5.2 Instant—Kimi K2.689.6%SourceNot directly comparable
SWE-bench Pro
GPT-5.2 Instant—Kimi K2.658.6%SourceNot directly comparable
SWE Multilingual
GPT-5.2 Instant—Kimi K2.676.7%SourceNot directly comparable
SciCode
GPT-5.2 Instant—Kimi K2.652.2%SourceNot directly comparable
Terminal-Bench 2.0
GPT-5.2 Instant—Kimi K2.666.7%SourceNot directly comparable
Vibe Code Bench
GPT-5.2 Instant—Kimi K2.637.89%SourceNot directly comparable
cursorBench31
GPT-5.2 Instant—Kimi K2.647.6%SourceNot directly comparable
LiveCodeBench (Vals)
GPT-5.2 Instant—Kimi K2.686.8%SourceNot directly comparable
SWE-bench (Vals)
GPT-5.2 Instant—Kimi K2.676.2%SourceNot directly comparable
Knowledge
GPQA
GPT-5.2 Instant—Kimi K2.690.5%SourceNot directly comparable
GPQA-D
GPT-5.2 Instant—Kimi K2.690.5%SourceNot directly comparable
HLE
GPT-5.2 Instant—Kimi K2.634.7%SourceNot directly comparable
GPQA Diamond (Vals)
GPT-5.2 Instant—Kimi K2.689.1%SourceNot directly comparable
MMLU-Pro (Vals)
GPT-5.2 Instant—Kimi K2.687.6%SourceNot directly comparable
Math
AIME26
GPT-5.2 Instant—Kimi K2.696.4%SourceNot directly comparable
HMMT Feb 2026
GPT-5.2 Instant—Kimi K2.692.7%SourceNot directly comparable
MMAnswerBench
GPT-5.2 Instant—Kimi K2.686.0%SourceNot directly comparable
FrontierMath v2 (Tiers 1-3)
GPT-5.2 Instant—Kimi K2.638.966%SourceNot directly comparable
FrontierMath v2 (Tier 4)
GPT-5.2 Instant—Kimi K2.614.580%SourceNot directly comparable
Multimodal
MMMU-Pro
GPT-5.2 Instant—Kimi K2.679.4%SourceNot directly comparable
MMMU-Pro w/ Python
GPT-5.2 Instant—Kimi K2.680.1%SourceNot directly comparable
CharXiv
GPT-5.2 Instant—Kimi K2.680.4%SourceNot directly comparable
MathVision
GPT-5.2 Instant—Kimi K2.687.4%SourceNot directly comparable
V*
GPT-5.2 Instant—Kimi K2.696.9%SourceNot directly comparable
Frequently asked questions
Which is better, GPT-5.2 Instant or Kimi K2.6?
The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. The page therefore keeps the decision tied to the specific documented workload.
Which is better for coding, GPT-5.2 Instant or Kimi K2.6?
GPT-5.2 Instant is not ranked on the public lane for coding, so no winner is named for coding.
Which is better for agentic tasks, GPT-5.2 Instant or Kimi K2.6?
GPT-5.2 Instant is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.
Which costs less, GPT-5.2 Instant or Kimi K2.6?
For the stated presets, chat costs $0.0045 on GPT-5.2 Instant and $0.00295 on Kimi K2.6; repository review costs $0.093 and $0.0595; the cache-heavy agent loop costs $0.39 and $0.249. GPT-5.2 Instant does not fit this workload in one request. GPT-5.2 Instant has no published cached-input rate, so cached tokens use its listed input rate. Kimi K2.6 has no published cached-input rate, so cached tokens use its listed input rate.
Which has the larger context window, GPT-5.2 Instant or Kimi K2.6?
Kimi K2.6 has the larger documented context window: 256K, compared with 128K.
Related comparisons
Last updated September 8, 2026
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